really clear all Favorites at deleting the given folder

app/src/main/kotlin/com/simplemobiletools/gallery/pro/adapters/DirectoryAdapter.kt

@@ -555,6 +555,7 @@ class DirectoryAdapter(activity: BaseSimpleActivity, var dirs: ArrayList<Directo
                         tryEmptyRecycleBin(false)
                     } else {
                         ensureBackgroundThread {
+                            activity.mediaDB.clearFavorites()
                             activity.favoritesDB.clearFavorites()
                             listener?.refreshItems()
                         }

app/src/main/kotlin/com/simplemobiletools/gallery/pro/interfaces/MediumDao.kt

@@ -42,6 +42,9 @@ interface MediumDao {
     @Query("UPDATE media SET date_taken = :dateTaken WHERE full_path = :path COLLATE NOCASE")
     fun updateFavoriteDateTaken(path: String, dateTaken: Long)
 
+    @Query("UPDATE media SET is_favorite = 0")
+    fun clearFavorites()
+
     @Query("DELETE FROM media WHERE deleted_ts != 0")
     fun clearRecycleBin()
 }