docs: add comment to clarify visibility logic in ImageFragment

app/src/main/java/fr/free/nrw/commons/customselector/ui/selector/ImageFragment.kt

@@ -252,6 +252,10 @@ class ImageFragment :
         return binding?.root
     }
 
+    /**
+     * onViewCreated
+     * Updates empty text view visibility based on image count, switch state, and loading status.
+     */
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         viewLifecycleOwner.lifecycleScope.launch {