fix: fix orm_exc.DetachedInstanceError (#34904)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/controllers/web/forgot_password.py

@@ -3,7 +3,6 @@ import secrets
 
 from flask import request
 from flask_restx import Resource
-from sqlalchemy.orm import sessionmaker
 
 from controllers.common.schema import register_schema_models
 from controllers.console.auth.error import (
@@ -62,9 +61,7 @@ class ForgotPasswordSendEmailApi(Resource):
         else:
             language = "en-US"
 
-        with sessionmaker(db.engine).begin() as session:
-            account = AccountService.get_account_by_email_with_case_fallback(request_email, session=session)
-        token = None
+        account = AccountService.get_account_by_email_with_case_fallback(request_email)
         if account is None:
             raise AuthenticationFailedError()
         else:
@@ -161,13 +158,14 @@ class ForgotPasswordResetApi(Resource):
 
         email = reset_data.get("email", "")
 
-        with sessionmaker(db.engine).begin() as session:
-            account = AccountService.get_account_by_email_with_case_fallback(email, session=session)
+        account = AccountService.get_account_by_email_with_case_fallback(email)
 
-            if account:
-                self._update_existing_account(account, password_hashed, salt)
-            else:
-                raise AuthenticationFailedError()
+        if account:
+            account = db.session.merge(account)
+            self._update_existing_account(account, password_hashed, salt)
+            db.session.commit()
+        else:
+            raise AuthenticationFailedError()
 
         return {"result": "success"}