fix(mobile): show project favicons in filters - #7984

Note

Low Risk
Android-only UI in the custom anchored menu; iOS native menus are unchanged and filter action IDs stay the same.

Overview
Android project filter menus now show resolved project favicons next to each row, with a folder icon for All projects, while keeping the selected checkmark.

AndroidAnchoredMenu / ControlPillMenu gain an optional renderActionTrailing slot (ignored on iOS). Home header and the persistent sidebar pass AndroidProjectFilterIcon, and project filter options now include environmentId, workspaceRoot, and faviconPath so those icons can load.

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Note

Show project favicons in Android filter menus

• Adds a renderActionTrailing prop to AndroidAnchoredMenu and ControlPillMenu, allowing custom trailing content per menu action on Android (no effect on iOS)
• Introduces AndroidProjectFilterIcon which renders a folder icon for the 'All projects' action and a ProjectFavicon for specific project actions
• Extends HomeListFilterMenuProject with environmentId, workspaceRoot, and faviconPath fields so project data is available to the icon renderer
• Wires the icon renderer into the home header filter menu (HomeHeader.tsx) and the thread navigation sidebar (ThreadNavigationSidebar.tsx)
• Adds buildAndroidProjectFilterActions and resolveAndroidProjectFilterProject utils to construct project menu actions with stable ids and resolve the matching project for icon rendering

^{Macroscope summarized 9fddde9.}