Fix issue

lib/ui/routes/main_route/main_route.dart

@@ -154,11 +154,11 @@ abstract class MainController extends State<MainRoute> {
           child: w, hideNavBar: hideNavBar, canShowAsDialog: canShowAsDialog));
 
   /// Open a conversation in its context (in group page for group conversations)
-  void openConversation(Conversation conv) {
+  void openConversation(Conversation conv, {fullScreen: false}) {
     if (conv.isGroupConversation)
       openGroup(conv.groupID, conversationID: conv.id);
     else
-      openConversationById(conv.id);
+      openConversationById(conv.id, fullScreen: fullScreen);
   }
 
   /// Open a conversation

lib/ui/routes/main_route/tablet_route.dart

@@ -1,3 +1,4 @@
+import 'package:comunic/models/conversation.dart';
 import 'package:comunic/ui/dialogs/screen_dialog.dart';
 import 'package:comunic/ui/routes/main_route/main_route.dart';
 import 'package:comunic/ui/routes/main_route/page_info.dart';
@@ -89,6 +90,14 @@ class _TabletRouteState extends MainController {
       super.pushPage(page);
   }
 
+  @override
+  void openConversation(Conversation conv, {fullScreen: false}) {
+    if (fullScreen)
+      super.openConversation(conv, fullScreen: fullScreen);
+    else
+      openConversationById(conv.id, fullScreen: false);
+  }
+
   @override
   void openConversationById(int convID, {fullScreen = false}) {
     if (!fullScreen) {

lib/ui/widgets/tablet_mode/memberships_panel.dart

@@ -238,7 +238,8 @@ class _MembershipsPanelState extends SafeState<MembershipsPanel> {
         ),
         subtitle: Text(diffTimeFromNowToStr(membership.lastActive) +
             (conversation.isHavingCall ? "\n" + tr("Ongoing call") : "")),
-        onTap: () => MainController.of(context).openConversation(conversation),
+        onTap: () => MainController.of(context)
+            .openConversation(conversation, fullScreen: true),
         trailing: conversation.isHavingCall
             ? FloatingActionButton(
                 heroTag: null,