Chore: Sidebar theme (#27426)

apps/meteor/app/ui-sidenav/client/sideNav.html

apps/meteor/client/components/Sidebar/Header.tsx

apps/meteor/client/components/Sidebar/SidebarGenericItem.tsx

...eteor/client/components/Sidebar/SidebarNavigationItem.tsx

apps/meteor/client/sidebar/RoomList/RoomList.tsx

apps/meteor/client/sidebar/footer/SidebarFooterDefault.tsx

apps/meteor/client/sidebar/header/index.tsx

apps/meteor/client/sidebar/hooks/useSidebarPaletteColor.ts

apps/meteor/client/views/admin/sidebar/UpgradeTab.tsx

apps/meteor/client/views/root/AppLayout.tsx

apps/meteor/ee/server/services/package.json

apps/meteor/package.json

ee/apps/account-service/package.json

ee/apps/authorization-service/package.json

ee/apps/ddp-streamer/package.json

ee/apps/presence-service/package.json

ee/apps/stream-hub-service/package.json

ee/packages/ui-theming/package.json

ee/packages/ui-theming/src/SidebarPaletteStyleTag.tsx

ee/packages/ui-theming/src/sidebarConvertToCss.ts