fix: 계정 생성 시 초기 비밀번호가 설정되지 않는 문제 수정

Author: MU-Software

app/admin_api/serializers/user.py

@@ -1,6 +1,7 @@
 import functools
 import typing
 
+from core.const.account import INITIAL_ADMIN_PASSWORD
 from core.const.serializer import COMMON_ADMIN_FIELDS
 from core.serializer.base_abstract_serializer import BaseAbstractSerializer
 from core.serializer.json_schema_serializer import JsonSchemaSerializer
@@ -34,6 +35,9 @@ class Meta:
             "last_login": {"read_only": True},
         }
 
+    def create(self, validated_data: dict[str, typing.Any]) -> UserExt:
+        return UserExt.objects.create_user(**validated_data, password=INITIAL_ADMIN_PASSWORD)
+
 
 class UserAdminSignInSerializerData(typing.TypedDict):
     identity: str