Merge pull request #3056 from element-hq/robin/backport-join-action

Backport "Send a 'join' action when entering the call" to v0.7

src/rtcSessionHelpers.ts

@@ -117,6 +117,13 @@ export async function enterRTCSession(
       makeKeyDelay: matrixRtcSessionConfig?.key_rotation_on_leave_delay,
     },
   );
+  if (widget) {
+    try {
+      await widget.api.transport.send(ElementWidgetActions.JoinCall, {});
+    } catch (e) {
+      logger.error("Failed to send join action", e);
+    }
+  }
 }
 
 const widgetPostHangupProcedure = async (