[Workspace]refactor style of workspace picker content

[Qxisylolo]

Description

In this pr, I refractor the style of workspace picker content by applying searching and filtering. This pr is developed based on #7716

Screenshot

1. appearance
   out of a workspace

In a workspace

2. Perform searching and filtering, result will be shown in both recent and all section

3. empty state

Changelog

• feat: refractor style of workspace picker content

Check List

• All tests pass
  • yarn test:jest
  • yarn test:jest_integration
• New functionality includes testing.
• New functionality has been documented.
• Update CHANGELOG.md
• Commits are signed per the DCO using --signoff

[codecov]

Codecov Report

Attention: Patch coverage is 76.87861% with 40 lines in your changes missing coverage. Please review.

Project coverage is 63.81%. Comparing base (9aeebec) to head (60089b3).

Files	Patch %	Lines
...kspace_picker_content/workspace_picker_content.tsx	70.58%	11 Missing and 4 partials ⚠️
...chrome/ui/header/collapsible_nav_group_enabled.tsx	79.59%	3 Missing and 7 partials ⚠️
...public/chrome/ui/header/collapsible_nav_groups.tsx	87.09%	1 Missing and 3 partials ⚠️
...ublic/components/workspace_menu/workspace_menu.tsx	76.92%	1 Missing and 2 partials ⚠️
src/plugins/workspace/public/plugin.ts	40.00%	3 Missing ⚠️
.../core/public/chrome/nav_group/nav_group_service.ts	85.71%	1 Missing and 1 partial ⚠️
src/core/public/chrome/ui/header/header.tsx	0.00%	0 Missing and 2 partials ⚠️
.../plugins/index_pattern_management/public/plugin.ts	66.66%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7764      +/-   ##
==========================================
- Coverage   63.82%   63.81%   -0.01%     
==========================================
  Files        3655     3657       +2     
  Lines       81117    81181      +64     
  Branches    12921    12940      +19     
==========================================
+ Hits        51772    51805      +33     
- Misses      26167    26187      +20     
- Partials     3178     3189      +11     

Flag	Coverage Δ
Linux_2	55.87% <82.17%> (+<0.01%)	⬆️
Linux_3	40.41% <3.84%> (-0.03%)	⬇️
Linux_4	31.28% <5.76%> (-0.02%)	⬇️
Windows_1	30.10% <30.58%> (+<0.01%)	⬆️
Windows_2	55.82% <82.17%> (+<0.01%)	⬆️
Windows_3	40.41% <3.84%> (-0.02%)	⬇️
Windows_4	31.28% <5.76%> (-0.02%)	⬇️

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[Hailong-am]

when i login in as non OSD admin and don't have any workspace available, it display like this, should we limit the width of the picker?