fixes access issue for InventoryScript.admin_role

awx/main/access.py

@@ -1474,6 +1474,10 @@ class CustomInventoryScriptAccess(BaseAccess):
     def can_admin(self, obj):
         return self.user in obj.admin_role
 
+    @check_superuser
+    def can_change(self, obj, data):
+        return self.can_admin(obj)
+
     @check_superuser
     def can_read(self, obj):
         return self.user in obj.read_role