test(unit,client): Mock application root (#30071)

apps/meteor/.storybook/decorators.tsx

apps/meteor/.storybook/main.js

apps/meteor/.storybook/preview.ts

apps/meteor/app/theme/client/index.ts

apps/meteor/app/theme/client/main.css

...sage/content/reactions/useToggleReactionMutation.spec.tsx

apps/meteor/client/contexts/ActionManagerContext.ts

apps/meteor/client/hooks/useUiKitActionManager.ts

apps/meteor/client/providers/ActionManagerProvider.tsx

...eteor/client/sidebar/header/actions/hooks/mockAppRoot.tsx

...ebar/header/actions/hooks/useAdministrationItems.spec.tsx

...client/sidebar/header/actions/hooks/useAppsItems.spec.tsx

...lient/sidebar/header/actions/hooks/useAuditItems.spec.tsx

apps/meteor/jest.config.ts

packages/mock-providers/src/MockedAppRootBuilder.tsx

packages/mock-providers/src/index.ts

...ent/src/components/FeaturePreview/FeaturePreview.spec.tsx

packages/ui-client/src/hooks/useFeaturePreview.spec.tsx

packages/ui-client/src/hooks/useFeaturePreviewList.spec.tsx

packages/ui-contexts/src/ActionManagerContext.ts