Fix playlist item dragging video to only neighbor positions

Call `saveImmediate` only after used actually dropped item instead
of every time View is updated which happens several times to show
user a feedback where item would be moved

Author: Yevhen Babiichuk (DustDFG)

app/src/main/java/org/schabi/newpipe/local/playlist/LocalPlaylistFragment.java

@@ -768,11 +768,17 @@ public boolean onMove(@NonNull final RecyclerView recyclerView,
                 final boolean isSwapped = itemListAdapter.swapItems(sourceIndex, targetIndex);
                 if (isSwapped) {
                     debounceSaver.setHasChangesToSave();
-                    saveImmediate();
                 }
                 return isSwapped;
             }
 
+            @Override
+            public void clearView(@NonNull final RecyclerView recyclerView,
+                                  @NonNull final RecyclerView.ViewHolder viewHolder) {
+                super.clearView(recyclerView, viewHolder);
+                saveImmediate();
+            }
+
             @Override
             public boolean isLongPressDragEnabled() {
                 return false;