Snap VisualScript comment to grid when resizing

(cherry picked from commit 07fb7f9888126d189476ec9a6272447b7c9748ac)

modules/visual_script/visual_script_editor.cpp

@@ -4031,16 +4031,25 @@ void VisualScriptEditor::_comment_node_resized(const Vector2 &p_new_size, int p_
 	if (!gn)
 		return;
 
+	Vector2 new_size = p_new_size;
+	if (graph->is_using_snap()) {
+		Vector2 snap = Vector2(graph->get_snap(), graph->get_snap());
+		Vector2 min_size = (gn->get_minimum_size() + (snap * 0.5)).snapped(snap);
+		new_size = new_size.snapped(snap);
+		new_size.x = MAX(new_size.x, min_size.x);
+		new_size.y = MAX(new_size.y, min_size.y);
+	}
+
 	updating_graph = true;
 
 	graph->set_block_minimum_size_adjust(true); //faster resize
 
 	undo_redo->create_action(TTR("Resize Comment"), UndoRedo::MERGE_ENDS);
-	undo_redo->add_do_method(vsc.ptr(), "set_size", p_new_size / EDSCALE);
+	undo_redo->add_do_method(vsc.ptr(), "set_size", new_size / EDSCALE);
 	undo_redo->add_undo_method(vsc.ptr(), "set_size", vsc->get_size());
 	undo_redo->commit_action();
 
-	gn->set_custom_minimum_size(p_new_size);
+	gn->set_custom_minimum_size(new_size);
 	gn->set_size(Size2(1, 1));
 	graph->set_block_minimum_size_adjust(false);
 	updating_graph = false;