V0.12.19 Scroll full page issue bug fixes

frontend/src/pages/Chat.jsx

@@ -263,6 +263,11 @@ export default function Chat() {
       socket.emit('group:join-room', { groupId: group.id });
       // Reload the full group list so name/metadata is correct
       loadGroups();
+      // Refresh user-group memberships so NavDrawer shows the Group Messages
+      // item immediately if this is the user's first user-group DM assignment
+      api.getMyUserGroups().then(({ userGroups }) => {
+        setFeatures(prev => ({ ...prev, userGroupMemberships: (userGroups || []).map(g => g.id) }));
+      }).catch(() => {});
     };
     const handleGroupDeleted = ({ groupId }) => {
       // Leave the socket room so we stop receiving events for this group