Remove Rename Slot option from input sockets (#975)

This menu option was unintentionally inherited from input slots.

- Ref: https://github.com/Comfy-Org/ComfyUI_frontend/issues/3654

src/LGraphCanvas.ts

@@ -7184,8 +7184,9 @@ export class LGraphCanvas {
                 : { content: "Remove Slot", slot },
             )
           }
-          if (!_slot.nameLocked)
+          if (!_slot.nameLocked && !(("link" in _slot) && _slot.widget)) {
             menu_info.push({ content: "Rename Slot", slot })
+          }
 
           if (node.getExtraSlotMenuOptions) {
             menu_info.push(...node.getExtraSlotMenuOptions(slot))