Add error message (#970)

- Error link not found
 - Error user was banned
 - Error access dinied on the world

front/src/Connexion/RoomConnection.ts

@@ -27,7 +27,8 @@ import {
     SendJitsiJwtMessage,
     CharacterLayerMessage,
     PingMessage,
-    SendUserMessage, BanUserMessage
+    SendUserMessage, 
+    BanUserMessage
 } from "../Messages/generated/messages_pb"
 
 import {UserSimplePeerInterface} from "../WebRtc/SimplePeer";
@@ -169,7 +170,10 @@ export class RoomConnection implements RoomConnection {
             } else if (message.hasWorldfullmessage()) {
                 worldFullMessageStream.onMessage();
                 this.closed = true;
-            } else if (message.hasWebrtcsignaltoclientmessage()) {
+            } else if (message.hasWorldconnexionmessage()) {
+                worldFullMessageStream.onMessage(message.getWorldconnexionmessage()?.getMessage());
+                this.closed = true;
+            }else if (message.hasWebrtcsignaltoclientmessage()) {
                 this.dispatch(EventMessage.WEBRTC_SIGNAL, message.getWebrtcsignaltoclientmessage());
             } else if (message.hasWebrtcscreensharingsignaltoclientmessage()) {
                 this.dispatch(EventMessage.WEBRTC_SCREEN_SHARING_SIGNAL, message.getWebrtcscreensharingsignaltoclientmessage());

front/src/Connexion/WorldFullMessageStream.ts

@@ -2,12 +2,12 @@ import {Subject} from "rxjs";
 
 class WorldFullMessageStream {
     
-    private _stream:Subject<void> = new Subject();
+    private _stream:Subject<string|null> = new Subject<string|null>();
     public stream = this._stream.asObservable();
 
 
-    onMessage() {
-        this._stream.next();
+    onMessage(message? :string) {
+        this._stream.next(message);
     }
 }