fix (web components): add missing css selector for select indicator styles

[SethDonohue]

Pull request checklist

• Addresses an existing issue: Fixes #0000
• Include a change request file using $ yarn change

Description of changes

Fix Select glyph sizing, missing css selector

[fabricteam]

Perf Analysis

No significant results to display.

All results

Scenario	Render type	Master Ticks	PR Ticks	Iterations	Status
Avatar	mount	760	832	5000
BaseButtonCompat	mount	894	858	5000
Breadcrumb	mount	42529	42569	5000
Checkbox	mount	1442	1483	5000
CheckboxBase	mount	1211	1220	5000
ChoiceGroup	mount	4641	4594	5000
ComboBox	mount	919	916	1000
CommandBar	mount	9702	9782	1000
ContextualMenu	mount	5910	5893	1000
DefaultButtonCompat	mount	1065	1086	5000
DetailsRow	mount	3483	3597	5000
DetailsRowFast	mount	3481	3471	5000
DetailsRowNoStyles	mount	3327	3315	5000
Dialog	mount	1400	1393	1000
DocumentCardTitle	mount	1772	1733	1000
Dropdown	mount	3198	3261	5000
FocusTrapZone	mount	1733	1723	5000
FocusZone	mount	1776	1814	5000
IconButtonCompat	mount	1822	1682	5000
Label	mount	330	333	5000
Layer	mount	1705	1707	5000
Link	mount	453	433	5000
MakeStyles	mount	1935	1925	50000
MenuButtonCompat	mount	1434	1473	5000
MessageBar	mount	1938	1959	5000
Nav	mount	3111	3167	1000
OverflowSet	mount	1021	1026	5000
Panel	mount	1410	1384	1000
Persona	mount	823	808	1000
Pivot	mount	1352	1346	1000
PrimaryButtonCompat	mount	1233	1232	5000
Rating	mount	7269	7272	5000
SearchBox	mount	1247	1267	5000
Shimmer	mount	2437	2545	5000
Slider	mount	1827	1841	5000
SpinButton	mount	4807	4867	5000
Spinner	mount	396	414	5000
SplitButtonCompat	mount	3065	3047	5000
Stack	mount	478	484	5000
StackWithIntrinsicChildren	mount	1480	1480	5000
StackWithTextChildren	mount	4323	4346	5000
SwatchColorPicker	mount	9936	9928	5000
Tabs	mount	1363	1365	1000
TagPicker	mount	2794	2740	5000
TeachingBubble	mount	11446	11408	5000
Text	mount	400	400	5000
TextField	mount	1333	1348	5000
ThemeProvider	mount	2084	2092	5000
ThemeProvider	virtual-rerender	640	626	5000
Toggle	mount	800	762	5000
button	mount	642	618	5000
buttonNative	mount	113	112	5000

Perf Analysis (Fluent)

Perf comparison

Status	Scenario	Fluent TPI	Fabric TPI	Ratio	Iterations	Ticks
🎯	Avatar.Fluent	0.43	0.49	0.88:1	2000	867
🦄	Button.Fluent	0.11	0.2	0.55:1	5000	549
🔧	Checkbox.Fluent	0.65	0.33	1.97:1	1000	653
🎯	Dialog.Fluent	0.16	0.21	0.76:1	5000	794
🔧	Dropdown.Fluent	2.97	0.39	7.62:1	1000	2968
🔧	Icon.Fluent	0.14	0.05	2.8:1	5000	700
🦄	Image.Fluent	0.07	0.13	0.54:1	5000	373
🔧	Slider.Fluent	1.53	0.42	3.64:1	1000	1532
🔧	Text.Fluent	0.07	0.03	2.33:1	5000	360
🦄	Tooltip.Fluent	0.11	0.87	0.13:1	5000	572

🔧 Needs work     🎯 On target     🦄 Amazing

Perf tests with no regressions

Scenario	Current PR Ticks	Baseline Ticks	Ratio
TreeWith60ListItems.default	216	193	1.12:1
CardMinimalPerf.default	602	553	1.09:1
TextMinimalPerf.default	377	350	1.08:1
PortalMinimalPerf.default	176	164	1.07:1
AnimationMinimalPerf.default	416	394	1.06:1
ChatDuplicateMessagesPerf.default	434	408	1.06:1
FlexMinimalPerf.default	309	292	1.06:1
LabelMinimalPerf.default	430	405	1.06:1
ReactionMinimalPerf.default	419	397	1.06:1
AttachmentMinimalPerf.default	167	159	1.05:1
SegmentMinimalPerf.default	370	352	1.05:1
SkeletonMinimalPerf.default	389	371	1.05:1
Tooltip.Fluent	572	545	1.05:1
FormMinimalPerf.default	411	395	1.04:1
MenuButtonMinimalPerf.default	1567	1506	1.04:1
RefMinimalPerf.default	244	234	1.04:1
TextAreaMinimalPerf.default	492	475	1.04:1
ChatMinimalPerf.default	632	613	1.03:1
IconMinimalPerf.default	677	658	1.03:1
CheckboxMinimalPerf.default	2895	2845	1.02:1
DialogMinimalPerf.default	802	784	1.02:1
GridMinimalPerf.default	347	340	1.02:1
HeaderMinimalPerf.default	385	379	1.02:1
ItemLayoutMinimalPerf.default	1256	1231	1.02:1
MenuMinimalPerf.default	863	842	1.02:1
RadioGroupMinimalPerf.default	447	439	1.02:1
TableManyItemsPerf.default	2106	2059	1.02:1
Dropdown.Fluent	2968	2912	1.02:1
Icon.Fluent	700	687	1.02:1
AvatarMinimalPerf.default	468	463	1.01:1
ButtonOverridesMissPerf.default	1694	1682	1.01:1
ButtonSlotsPerf.default	607	600	1.01:1
ButtonUseCssPerf.default	824	819	1.01:1
ChatWithPopoverPerf.default	474	468	1.01:1
DividerMinimalPerf.default	368	366	1.01:1
DropdownManyItemsPerf.default	731	727	1.01:1
EmbedMinimalPerf.default	4094	4056	1.01:1
LayoutMinimalPerf.default	416	411	1.01:1
ListWith60ListItems.default	942	932	1.01:1
LoaderMinimalPerf.default	722	716	1.01:1
PopupMinimalPerf.default	715	711	1.01:1
SplitButtonMinimalPerf.default	3658	3631	1.01:1
StatusMinimalPerf.default	708	704	1.01:1
CustomToolbarPrototype.default	3886	3863	1.01:1
TooltipMinimalPerf.default	820	811	1.01:1
Button.Fluent	549	545	1.01:1
Checkbox.Fluent	653	647	1.01:1
Dialog.Fluent	794	785	1.01:1
ButtonMinimalPerf.default	176	176	1:1
ButtonUseCssNestingPerf.default	1086	1084	1:1
DatepickerMinimalPerf.default	45206	45058	1:1
DropdownMinimalPerf.default	2940	2953	1:1
SliderMinimalPerf.default	1584	1590	1:1
ToolbarMinimalPerf.default	942	939	1:1
VideoMinimalPerf.default	616	614	1:1
Slider.Fluent	1532	1525	1:1
AccordionMinimalPerf.default	160	162	0.99:1
BoxMinimalPerf.default	372	377	0.99:1
CarouselMinimalPerf.default	455	458	0.99:1
ListCommonPerf.default	625	632	0.99:1
ListNestedPerf.default	568	572	0.99:1
ProviderMinimalPerf.default	1015	1022	0.99:1
TreeMinimalPerf.default	770	775	0.99:1
Avatar.Fluent	867	872	0.99:1
AlertMinimalPerf.default	304	311	0.98:1
HeaderSlotsPerf.default	765	778	0.98:1
ImageMinimalPerf.default	381	389	0.98:1
InputMinimalPerf.default	1287	1309	0.98:1
ListMinimalPerf.default	476	487	0.98:1
ProviderMergeThemesPerf.default	2050	2093	0.98:1
Text.Fluent	360	368	0.98:1
AttachmentSlotsPerf.default	1094	1123	0.97:1
TableMinimalPerf.default	410	426	0.96:1
Image.Fluent	373	389	0.96:1

[codesandbox-ci]

This pull request is automatically built and testable in CodeSandbox.

To see build info of the built libraries, click here or the icon next to each commit SHA.

Latest deployment of this branch, based on commit 6bf9f23:

Sandbox	Source
Fluent UI Button	Configuration
codesandbox-react-template	Configuration
codesandbox-react-northstar-template	Configuration

[size-auditor]

Asset size changes

Size Auditor did not detect a change in bundle size for any component!

Baseline commit: 5902550fbcf3c281d9ab6e01f3002dc85b710531 (build)

[msft-fluent-ui-bot]

🎉@fluentui/web-components@v0.10.2 has been released which incorporates this pull request.:tada:

Handy links:

• Release Notes
• Official NPM Release