Speed up row insertion

app/playlists.py

@@ -726,7 +726,19 @@ class PlaylistTab(QTableView):
         if playlist_id != self.playlist_id:
             return
 
-        self.resizeRowsToContents()
+        # self.resizeRowsToContents()
+        # Suggestion from phind.com
+        def resize_row(row, count=1):
+            row_count = self.source_model.rowCount()
+            for todo in range(count):
+                if row < row_count:
+                    self.resizeRowToContents(row)
+                    row += 1
+            if row < row_count:
+                QTimer.singleShot(0, lambda: resize_row(row, count))
+
+        # Start resizing from row 0, 10 rows at a time
+        QTimer.singleShot(0, lambda: resize_row(0, 10))
 
     def scroll_to_top(self, row_number: int) -> None:
         """