Move screenshare stop logic to ringrtc

ts/services/calling.ts

@@ -2071,6 +2071,9 @@ export class CallingClass {
           maxHeight: REQUESTED_SCREEN_SHARE_HEIGHT,
           maxWidth: REQUESTED_SCREEN_SHARE_WIDTH,
           mediaStream,
+          onEnded: () => {
+            this.reduxInterface?.cancelPresenting();
+          },
         })
       );
       this.setOutgoingVideo(conversationId, true);

ts/state/ducks/calling.ts

@@ -1948,22 +1948,6 @@ function _setPresenting(
       callLinkRootKey: rootKey,
     });
 
-    if (mediaStream != null) {
-      // If the screen sharing stream is terminated early - stop screen sharing
-      mediaStream.getVideoTracks()[0]?.addEventListener(
-        'ended',
-        () => {
-          const currentSource = getPresentingSource(getState());
-
-          // Verify that the source didn't change while we were waiting.
-          if (currentSource === sourceToPresent) {
-            dispatch(cancelPresenting());
-          }
-        },
-        { once: true }
-      );
-    }
-
     dispatch({
       type: SET_PRESENTING,
       payload: sourceToPresent,