fix: conditionally apply is_group filter in accounting dimension qu…

…ery (backport #40414) (#40416)

fix: conditionally apply `is_group` filter in accounting dimension query (#40414)

(cherry picked from commit daf4ae2)

Co-authored-by: Rucha Mahabal <ruchamahabal2@gmail.com>

erpnext/controllers/queries.py

@@ -665,7 +665,7 @@ def get_filtered_dimensions(
 	searchfields = frappe.get_meta(doctype).get_search_fields()
 
 	meta = frappe.get_meta(doctype)
-	if meta.is_tree:
+	if meta.is_tree and meta.has_field("is_group"):
 		query_filters.append(["is_group", "=", 0])
 
 	if meta.has_field("disabled"):