Merge branch 'main' into test/update-theme-provider

Author: joshblack

.changeset/breezy-cars-hear.md

@@ -0,0 +1,5 @@
+---
+'@primer/react': patch
+---
+
+UnderlineNav2: Prevent item width calculation when they are null

.changeset/flat-cars-type.md

@@ -0,0 +1,5 @@
+---
+'@primer/react': patch
+---
+
+UnderlineNav2: Only run overflow layout function when nav item has a width

.storybook/main.js

@@ -6,7 +6,6 @@ module.exports = {
     '@storybook/addon-interactions',
     '@storybook/addon-a11y',
     '@storybook/addon-links',
-    'storybook-addon-performance/register',
     {
       name: 'storybook-addon-turbo-build',
       options: {
@@ -30,5 +29,9 @@ module.exports = {
     interactionsDebugger: true,
     storyStoreV7: true
   },
-  framework: '@storybook/react'
+  framework: '@storybook/react',
+  reactOptions: {
+    fastRefresh: true,
+    strictMode: true
+  }
 }

.storybook/preview.js

@@ -1,9 +1,8 @@
 import {addons} from '@storybook/addons'
-import {withPerformance} from 'storybook-addon-performance'
 import {withThemeProvider, toolbarTypes} from '../src/utils/story-helpers'
 
 export const globalTypes = toolbarTypes
-export const decorators = [withThemeProvider, withPerformance]
+export const decorators = [withThemeProvider]
 
 addons.setConfig({
   // Some stories may set up keyboard event handlers, which can be interfered