Fixed notification card visiblity issue on media Detail Page (commons-app#2401)

Author: cypherop

app/src/main/java/fr/free/nrw/commons/contributions/ContributionsFragment.java

@@ -616,7 +616,11 @@ private void updateNearbyNotification(@Nullable NearbyController.NearbyPlacesInf
             String distance = formatDistanceBetween(curLatLng, closestNearbyPlace.location);
             closestNearbyPlace.setDistance(distance);
             nearbyNotificationCardView.updateContent(closestNearbyPlace);
-            nearbyNotificationCardView.setVisibility(View.VISIBLE);
+            if (mediaDetailPagerFragment != null && mediaDetailPagerFragment.isVisible()) {
+                nearbyNotificationCardView.setVisibility(View.GONE);
+            }else {
+                nearbyNotificationCardView.setVisibility(View.VISIBLE);
+            }
         } else {
             // Means that no close nearby place is found
             nearbyNotificationCardView.setVisibility(View.GONE);