[chore] Update litegraph to 0.15.15 (#4062)

Co-authored-by: webfiltered <[email protected]>

Author: comfy-pr-bot

package-lock.json

@@ -74,7 +74,7 @@
     "@alloc/quick-lru": "^5.2.0",
     "@atlaskit/pragmatic-drag-and-drop": "^1.3.1",
     "@comfyorg/comfyui-electron-types": "^0.4.43",
-    "@comfyorg/litegraph": "^0.15.14",
+    "@comfyorg/litegraph": "^0.15.15",
     "@primevue/forms": "^4.2.5",
     "@primevue/themes": "^4.2.5",
     "@sentry/vue": "^8.48.0",