stop loading the fullscreen images if the view is destroyed

app/src/main/kotlin/com/simplemobiletools/gallery/fragments/PhotoFragment.kt

@@ -143,6 +143,11 @@ class PhotoFragment : ViewPagerFragment() {
         loadBitmap(degrees)
     }
 
+    override fun onDestroyView() {
+        super.onDestroyView()
+        Glide.clear(view)
+    }
+
     override fun onConfigurationChanged(newConfig: Configuration?) {
         super.onConfigurationChanged(newConfig)
         loadImage()