refactor(identity): rename authentik_sub to user_sub and authentik_user_id to idp_user_id

app/schemas/internal.py

@@ -61,7 +61,7 @@ class InternalSiteListResponse(BaseModel):
 
 class InternalMemberItem(BaseModel):
     id: str
-    authentik_sub: str
+    user_sub: str
     username: str | None = None
     email: str | None = None
     display_name: str | None = None
@@ -77,8 +77,8 @@ class InternalMemberListResponse(BaseModel):
 
 class InternalUpsertUserBySubResponse(BaseModel):
     id: str
-    sub: str
-    authentik_user_id: int | None = None
+    user_sub: str
+    idp_user_id: int | None = None
     username: str | None = None
     email: str | None = None
     display_name: str | None = None