New room list: move message preview in user settings (#30023)

* feat: move message preview settings to user settings

* test: update tests

* test(e2e): update preference screenshots

* test(e2e): update room list tests

* fix: display message preview settings only for new room list

* test(e2e): display all preference settings in screenshot

* test: update snapshot

test/unit-tests/components/views/rooms/RoomListPanel/RoomListHeaderView-test.tsx

@@ -32,8 +32,6 @@ describe("<RoomListHeaderView />", () => {
         canAccessSpaceSettings: true,
         sort: jest.fn(),
         activeSortOption: SortOption.Activity,
-        shouldShowMessagePreview: false,
-        toggleMessagePreview: jest.fn(),
         createRoom: jest.fn(),
         createVideoRoom: jest.fn(),
         createChatRoom: jest.fn(),