Refresh list if internet connection is back

Signed-off-by: alperozturk <alper_ozturk@proton.me>

app/src/main/java/com/owncloud/android/ui/activity/FileActivity.java

@@ -245,6 +245,7 @@ public abstract class FileActivity extends DrawerActivity
     public void networkAndServerConnectionListener(boolean isNetworkAndServerAvailable) {
         if (isNetworkAndServerAvailable) {
             hideInfoBox();
+            refreshList();
         } else {
             showInfoBox(R.string.offline_mode);
         }