[backport 1.25] Fix: Alt+click reroute creation on high-DPI displays (#4862)

Co-authored-by: Vivek Chavan <111511821+vivekchavan14@users.noreply.github.com>

src/lib/litegraph/src/LGraphCanvas.ts

@@ -2384,7 +2384,6 @@ export class LGraphCanvas
       // Set the width of the line for isPointInStroke checks
       const { lineWidth } = this.ctx
       this.ctx.lineWidth = this.connections_width + 7
-      const dpi = window?.devicePixelRatio || 1
 
       for (const linkSegment of this.renderedPaths) {
         const centre = linkSegment._pos
@@ -2394,7 +2393,7 @@ export class LGraphCanvas
         if (
           (e.shiftKey || e.altKey) &&
           linkSegment.path &&
-          this.ctx.isPointInStroke(linkSegment.path, x * dpi, y * dpi)
+          this.ctx.isPointInStroke(linkSegment.path, x, y)
         ) {
           this.ctx.lineWidth = lineWidth