Fix sensor far & near events

Signed-off-by: Mario Danic <mario@lovelyhq.com>

app/src/main/java/com/nextcloud/talk/activities/CallActivity.java

@@ -1108,7 +1108,8 @@ public class CallActivity extends AppCompatActivity {
                         .PeerConnectionEventType.SENSOR_NEAR)) {
             boolean enableVideo = peerConnectionEvent.getPeerConnectionEventType().equals(PeerConnectionEvent
                     .PeerConnectionEventType.SENSOR_FAR) && videoOn;
-            if (EffortlessPermissions.hasPermissions(this, PERMISSIONS_CAMERA) && inCall) {
+            if (EffortlessPermissions.hasPermissions(this, PERMISSIONS_CAMERA) && inCall &&
+                    enableVideo != videoOn) {
                 toggleMedia(enableVideo, true);
             }
         } else if (peerConnectionEvent.getPeerConnectionEventType().equals(PeerConnectionEvent