Fix UI crash when selecting broken node + TS fixes (#3859)

src/types/litegraph-augmentation.d.ts

@@ -29,6 +29,12 @@ declare module '@comfyorg/litegraph/dist/types/widgets' {
      * The minimum size of the node if the widget is present.
      */
     minNodeSize?: Size
+
+    /** If the widget is advanced, this will be set to true. */
+    advanced?: boolean
+
+    /** If the widget is hidden, this will be set to true. */
+    hidden?: boolean
   }
 
   interface IBaseWidget {
@@ -60,7 +66,7 @@ declare module '@comfyorg/litegraph' {
     type?: string
     comfyClass: string
     title: string
-    nodeData?: ComfyNodeDefV1 & ComfyNodeDefV2
+    nodeData?: ComfyNodeDefV1 & ComfyNodeDefV2 & { [key: symbol]: unknown }
     category?: string
     new (): T
   }