Group Calls: Fix call indicator not updating (#2367)

src/api/gramjs/updater.ts

@@ -978,6 +978,13 @@ export function updater(update: Update, originRequest?: GramJs.AnyRequest) {
   } else if (update instanceof GramJs.UpdateSavedGifs) {
     onUpdate({ '@type': 'updateSavedGifs' });
   } else if (update instanceof GramJs.UpdateGroupCall) {
+    // eslint-disable-next-line no-underscore-dangle
+    const entities = update._entities;
+    if (entities) {
+      addEntitiesWithPhotosToLocalDb(entities);
+      dispatchUserAndChatUpdates(entities);
+    }
+
     onUpdate({
       '@type': 'updateGroupCall',
       call: buildApiGroupCall(update.call),

src/global/actions/apiUpdaters/calls.ts

@@ -5,7 +5,7 @@ import { selectChat } from '../../selectors';
 import { updateChat } from '../../reducers';
 import { ARE_CALLS_SUPPORTED } from '../../../util/environment';
 import { notifyAboutCall } from '../../../util/notifications';
-import { selectPhoneCallUser } from '../../selectors/calls';
+import { selectGroupCall, selectPhoneCallUser } from '../../selectors/calls';
 import { checkNavigatorUserMediaPermissions, initializeSoundsForSafari } from '../ui/calls';
 import { onTickEnd } from '../../../util/schedulers';
 import type { ActionReturnType } from '../../types';
@@ -24,6 +24,14 @@ addActionHandler('apiUpdate', (global, actions, update): ActionReturnType => {
         }
       }
 
+      const groupCall = selectGroupCall(global, update.call.id);
+      const chatId = groupCall?.chatId;
+      if (chatId) {
+        global = updateChat(global, chatId, {
+          isCallNotEmpty: (groupCall.participantsCount > 0 || Boolean(groupCall.participants?.length)),
+        });
+      }
+
       return updateGroupCall(
         global,
         update.call.id,
@@ -62,6 +70,14 @@ addActionHandler('apiUpdate', (global, actions, update): ActionReturnType => {
           nextOffset,
         });
       }
+
+      const groupCall = selectGroupCall(global, groupCallId);
+      const chatId = groupCall?.chatId;
+      if (chatId) {
+        global = updateChat(global, chatId, {
+          isCallNotEmpty: (groupCall.participantsCount > 0 || Boolean(groupCall.participants?.length)),
+        });
+      }
       return global;
     }
     case 'updatePhoneCall': {