Fix various legacy problems (#37092)

1.  Fix #36439
2. Fix #37089
3. Fix incorrect layout of admin auth oidc page
4. Fix #35866
5. Fix #35800
6. Fix #36243

services/auth/signin.go

@@ -51,7 +51,7 @@ func UserSignIn(ctx context.Context, username, password string) (*user_model.Use
 	}
 
 	if user != nil {
-		hasUser, err := user_model.GetUser(ctx, user)
+		hasUser, err := user_model.GetIndividualUser(ctx, user)
 		if err != nil {
 			return nil, nil, err
 		}

services/auth/source/oauth2/source_sync.go

@@ -67,7 +67,7 @@ func (source *Source) refresh(ctx context.Context, provider goth.Provider, u *us
 		LoginSource: u.LoginSourceID,
 	}
 
-	hasUser, err := user_model.GetUser(ctx, user)
+	hasUser, err := user_model.GetIndividualUser(ctx, user)
 	if err != nil {
 		return err
 	}