chore: Minor design improvements

lib/pages/chat_details/chat_details_view.dart

@@ -81,10 +81,12 @@ class ChatDetailsView extends StatelessWidget {
                       Theme.of(context).appBarTheme.backgroundColor,
                   flexibleSpace: FlexibleSpaceBar(
                     background: ContentBanner(
-                        mxContent: room.avatar,
-                        onEdit: room.canSendEvent('m.room.avatar')
-                            ? controller.setAvatarAction
-                            : null),
+                      mxContent: room.avatar,
+                      onEdit: room.canSendEvent('m.room.avatar')
+                          ? controller.setAvatarAction
+                          : null,
+                      defaultIcon: Icons.group_outlined,
+                    ),
                   ),
                 ),
               ],

lib/pages/chat_list/chat_list.dart

@@ -163,7 +163,7 @@ class ChatListController extends State<ChatList> with TickerProviderStateMixin {
 
   Stream<Client> get clientStream => _clientStream.stream;
 
-  void addAccountAction() => VRouter.of(context).to('/settings/account/add');
+  void addAccountAction() => VRouter.of(context).to('/settings/account');
 
   void _onScroll() {
     final newScrolledToTop = scrollController.position.pixels <= 0;

lib/pages/settings/settings_view.dart

@@ -31,7 +31,7 @@ class SettingsView extends StatelessWidget {
               background: ContentBanner(
                 mxContent: controller.profile?.avatarUrl,
                 onEdit: controller.setAvatarAction,
-                defaultIcon: Icons.person_outline_outlined,
+                defaultIcon: Icons.account_circle_outlined,
               ),
             ),
           ),

lib/pages/user_bottom_sheet/user_bottom_sheet_view.dart

@@ -119,7 +119,7 @@ class UserBottomSheetView extends StatelessWidget {
                   Expanded(
                     child: ContentBanner(
                       mxContent: user.avatarUrl,
-                      defaultIcon: Icons.person_outline,
+                      defaultIcon: Icons.account_circle_outlined,
                       client: client,
                     ),
                   ),