[backport cloud/1.35] Fix selecting loras on cloud (#7567)

Backport of #7560 to `cloud/1.35`

Automatically created by backport workflow.

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-7567-backport-cloud-1-35-Fix-selecting-loras-on-cloud-2cb6d73d365081479a6fc918c7adf684)
by [Unito](https://www.unito.io)

Co-authored-by: AustinMroz <austin@comfy.org>

src/composables/graph/useGraphNodeManager.ts

@@ -328,7 +328,7 @@ export function useGraphNodeManager(graph: LGraph): GraphNodeManager {
    * Creates a wrapped callback for a widget that maintains LiteGraph/Vue sync
    */
   const createWrappedWidgetCallback = (
-    widget: { value?: unknown; name: string }, // LiteGraph widget with minimal typing
+    widget: IBaseWidget, // LiteGraph widget with minimal typing
     originalCallback: ((value: unknown) => void) | undefined,
     nodeId: string
   ) => {
@@ -355,10 +355,10 @@ export function useGraphNodeManager(graph: LGraph): GraphNodeManager {
         }
 
         // Always update widget.value to ensure sync
-        widget.value = value
+        widget.value = value ?? undefined
 
         // 2. Call the original callback if it exists
-        if (originalCallback) {
+        if (originalCallback && widget.type !== 'asset') {
           originalCallback.call(widget, value)
         }
 

src/renderer/extensions/vueNodes/components/NodeWidgets.vue

@@ -180,11 +180,7 @@ const processedWidgets = computed((): ProcessedWidget[] => {
       // Update the widget value directly
       widget.value = value
 
-      // Skip callback for asset widgets - their callback opens the modal,
-      // but Vue asset mode handles selection through the dropdown
-      if (widget.type !== 'asset') {
-        widget.callback?.(value)
-      }
+      widget.callback?.(value)
     }
 
     const tooltipText = getWidgetTooltip(widget)