Fixes calling participants list popup

stylesheets/_modules.scss

@@ -4208,7 +4208,7 @@ button.module-image__border-overlay:focus {
     inset-inline-start: 0;
     position: absolute;
     top: 0;
-    z-index: $z-index-popup;
+    z-index: $z-index-calling;
   }
 
   &__title {

stylesheets/components/IncomingCallBar.scss

@@ -9,7 +9,7 @@
     top: 22px;
     user-select: none;
     width: 100%;
-    z-index: $z-index-popup;
+    z-index: $z-index-calling;
     padding-inline: 1rem;
   }
 

ts/services/calling.ts

@@ -1783,6 +1783,8 @@ export class CallingClass {
       await processGroupCallRingCancellation(ringId);
     }
 
+    this.stopCallingLobby();
+
     if (shouldRing) {
       log.info('handleGroupCallRingUpdate: ringing');
       this.reduxInterface?.receiveIncomingGroupCall({
@@ -1886,6 +1888,8 @@ export class CallingClass {
 
       this.attachToCall(conversation, call);
 
+      this.stopCallingLobby();
+
       this.reduxInterface.receiveIncomingDirectCall({
         conversationId: conversation.id,
         isVideoCall: call.isVideoCall,