Latest litegraph from upstream.

web/lib/litegraph.core.js

@@ -8099,11 +8099,15 @@ LGraphNode.prototype.executeAction = function(action)
 		bgcolor = bgcolor || LiteGraph.NODE_DEFAULT_COLOR;
 		hovercolor = hovercolor || "#555";
 		textcolor = textcolor || LiteGraph.NODE_TEXT_COLOR;
-		var yFix = y + LiteGraph.NODE_TITLE_HEIGHT + 2;	// fix the height with the title
-		var pos = this.mouse;
-		var hover = LiteGraph.isInsideRectangle( pos[0], pos[1], x,yFix,w,h );
-		pos = this.last_click_position;
-		var clicked = pos && LiteGraph.isInsideRectangle( pos[0], pos[1], x,yFix,w,h );
+		var pos = this.ds.convertOffsetToCanvas(this.graph_mouse);
+		var hover = LiteGraph.isInsideRectangle( pos[0], pos[1], x,y,w,h );
+		pos = this.last_click_position ? [this.last_click_position[0], this.last_click_position[1]] : null;
+        if(pos) {
+            var rect = this.canvas.getBoundingClientRect();
+            pos[0] -= rect.left;
+            pos[1] -= rect.top;
+        }
+		var clicked = pos && LiteGraph.isInsideRectangle( pos[0], pos[1], x,y,w,h );
 
 		ctx.fillStyle = hover ? hovercolor : bgcolor;
 		if(clicked)