chore: make homepage a subroute of /rooms so that the state of /rooms will be maintained when navigating between them (#2829)

lib/config/routes.dart

@@ -188,43 +188,6 @@ abstract class AppRoutes {
         ),
       ],
     ),
-    ShellRoute(
-      pageBuilder: chatListShellRouteBuilder,
-      routes: [
-        GoRoute(
-          path: '/homepage',
-          redirect: loggedOutRedirect,
-          pageBuilder: (context, state) => defaultPageBuilder(
-            context,
-            state,
-            const SuggestionsPage(),
-          ),
-          routes: [
-            ...newRoomRoutes,
-            GoRoute(
-              path: '/planner',
-              pageBuilder: (context, state) => defaultPageBuilder(
-                context,
-                state,
-                const ActivityPlannerPage(),
-              ),
-              redirect: loggedOutRedirect,
-              routes: [
-                GoRoute(
-                  path: '/generator',
-                  redirect: loggedOutRedirect,
-                  pageBuilder: (context, state) => defaultPageBuilder(
-                    context,
-                    state,
-                    const ActivityGenerator(),
-                  ),
-                ),
-              ],
-            ),
-          ],
-        ),
-      ],
-    ),
     // Pangea#
     ShellRoute(
       // Never use a transition on the shell route. Changing the PageBuilder
@@ -402,6 +365,40 @@ abstract class AppRoutes {
                     : child,
               ),
               routes: [
+                // #Pangea
+                GoRoute(
+                  path: '/homepage',
+                  redirect: loggedOutRedirect,
+                  pageBuilder: (context, state) => defaultPageBuilder(
+                    context,
+                    state,
+                    const SuggestionsPage(),
+                  ),
+                  routes: [
+                    ...newRoomRoutes,
+                    GoRoute(
+                      path: '/planner',
+                      pageBuilder: (context, state) => defaultPageBuilder(
+                        context,
+                        state,
+                        const ActivityPlannerPage(),
+                      ),
+                      redirect: loggedOutRedirect,
+                      routes: [
+                        GoRoute(
+                          path: '/generator',
+                          redirect: loggedOutRedirect,
+                          pageBuilder: (context, state) => defaultPageBuilder(
+                            context,
+                            state,
+                            const ActivityGenerator(),
+                          ),
+                        ),
+                      ],
+                    ),
+                  ],
+                ),
+                // Pangea#
                 GoRoute(
                   path: 'settings',
                   pageBuilder: (context, state) => defaultPageBuilder(

lib/pangea/activity_planner/activity_planner_page_appbar.dart

@@ -70,7 +70,7 @@ class ActivityPlannerPageAppBar extends StatelessWidget
             customBorder: const CircleBorder(),
             onTap: () => roomID != null
                 ? context.go('/rooms/$roomID/planner/generator')
-                : context.go("/homepage/planner/generator"),
+                : context.go("/rooms/homepage/planner/generator"),
             child: Container(
               decoration: BoxDecoration(
                 color: theme.colorScheme.surfaceContainerHighest,

lib/pangea/activity_suggestions/activity_suggestions_area.dart

@@ -180,7 +180,7 @@ class ActivitySuggestionsAreaState extends State<ActivitySuggestionsArea> {
               ),
               IconButton(
                 icon: const Icon(Icons.menu_outlined),
-                onPressed: () => context.go('/homepage/planner'),
+                onPressed: () => context.go('/rooms/homepage/planner'),
                 tooltip: L10n.of(context).activityPlannerTitle,
               ),
             ],

lib/pangea/layouts/bottom_nav_layout.dart

@@ -43,7 +43,7 @@ class BottomNavBarState extends State<BottomNavBar> {
   void onItemTapped(int index) {
     switch (index) {
       case 0:
-        context.go('/homepage');
+        context.go('/rooms/homepage');
         break;
       case 1:
         context.go('/rooms');