chore: add type hints to api

(cherry picked from commit 4c73593)

Author: RitvikSardana

helpdesk/api/doc.py

@@ -19,16 +19,16 @@
 def get_list_data(
     doctype: str,
     # flake8: noqa
-    filters={},
-    default_filters={},
+    filters: dict = {},
+    default_filters: dict = {},
     order_by: str = "modified desc",
-    page_length=20,
-    columns=None,
-    rows=None,
-    show_customer_portal_fields=False,
-    view=None,
-    is_default=False,
-):
+    page_length: int = 20,
+    columns: list = [],
+    rows: list = [],
+    show_customer_portal_fields: bool = False,
+    view: dict | None = None,
+    is_default: bool = False,
+) -> dict:
     is_custom = False
 
     rows = frappe.parse_json(rows or "[]")