Fix updating the wrong tabs when changing settings while running the minimized player in VideoDetailFragment

The comments tab was updated although the settings for the description tab were changed.

app/src/main/java/org/schabi/newpipe/fragments/detail/VideoDetailFragment.java

@@ -423,7 +423,7 @@ public final class VideoDetailFragment
             showRelatedItems = sharedPreferences.getBoolean(key, true);
             tabSettingsChanged = true;
         } else if (key.equals(getString(R.string.show_description_key))) {
-            showComments = sharedPreferences.getBoolean(key, true);
+            showDescription = sharedPreferences.getBoolean(key, true);
             tabSettingsChanged = true;
         }
     }