fix: Build item cache in long worker (#18165)

diff --git a/erpnext/portal/product_configurator/item_variants_cache.py b/erpnext/portal/product_configurator/item_variants_cache.py
index f33c8d6..fc294ce 100644
--- a/erpnext/portal/product_configurator/item_variants_cache.py
+++ b/erpnext/portal/product_configurator/item_variants_cache.py
@@ -110,4 +110,4 @@
 def enqueue_build_cache(item_code):
 	if frappe.cache().hget('item_cache_build_in_progress', item_code):
 		return
-	frappe.enqueue(build_cache, item_code=item_code, queue='short')
+	frappe.enqueue(build_cache, item_code=item_code, queue='long')