Stop Jitsi if we time out while connecting to a video room (#8659)

Author: robintown

src/stores/VideoChannelStore.ts

@@ -190,6 +190,11 @@ export default class VideoChannelStore extends AsyncStoreWithClient<null> {
             messaging.off(`action:${ElementWidgetActions.UnmuteVideo}`, this.onUnmuteVideo);
             messaging.off(`action:${ElementWidgetActions.HangupCall}`, this.onHangup);
 
+            if (messaging.transport.ready) {
+                // The messaging still exists, which means Jitsi might still be going in the background
+                messaging.transport.send(ElementWidgetActions.ForceHangupCall, {});
+            }
+
             this.emit(VideoChannelEvent.Disconnect, roomId);
 
             throw new Error(`Failed to join call in room ${roomId}: ${e}`);

src/stores/widgets/ElementWidgetActions.ts

@@ -21,6 +21,7 @@ export enum ElementWidgetActions {
     WidgetReady = "io.element.widget_ready",
     JoinCall = "io.element.join",
     HangupCall = "im.vector.hangup",
+    ForceHangupCall = "io.element.force_hangup",
     CallParticipants = "io.element.participants",
     MuteAudio = "io.element.mute_audio",
     UnmuteAudio = "io.element.unmute_audio",