Don't show play with bots button if bot has already been invited (#3860)

* Don't show play with bots button if bot has already been invited

* Check participant list for bot directly, move bot presence check

---------

Co-authored-by: ggurdin <46800240+ggurdin@users.noreply.github.com>

lib/pangea/activity_sessions/activity_session_start/activity_session_start_page.dart

@@ -7,6 +7,7 @@ import 'package:matrix/matrix.dart';
 import 'package:fluffychat/l10n/l10n.dart';
 import 'package:fluffychat/pangea/activity_sessions/activity_room_extension.dart';
 import 'package:fluffychat/pangea/activity_sessions/activity_session_start/activity_sessions_start_view.dart';
+import 'package:fluffychat/pangea/bot/utils/bot_name.dart';
 import 'package:fluffychat/pangea/extensions/pangea_room_extension.dart';
 import 'package:fluffychat/utils/matrix_sdk_extensions/matrix_locals.dart';
 import 'package:fluffychat/widgets/future_loading_dialog.dart';
@@ -50,6 +51,10 @@ class ActivitySessionStartController extends State<ActivitySessionStartPage> {
 
   Room get room => widget.room;
 
+  bool get isBotRoomMember => room.getParticipants().any(
+        (p) => p.id == BotName.byEnvironment,
+      );
+
   String get displayname => room.getLocalizedDisplayname(
         MatrixLocals(L10n.of(context)),
       );

lib/pangea/activity_sessions/activity_session_start/activity_sessions_start_view.dart

@@ -129,6 +129,7 @@ class ActivitySessionStartView extends StatelessWidget {
                               ),
                             ),
                           if (controller.room.isRoomAdmin) ...[
+                            if (!controller.isBotRoomMember)
                               ElevatedButton(
                                 style: ElevatedButton.styleFrom(
                                   backgroundColor: