Duplicate entry when high concurrency request to add a team member

[zuzuviewer]

Description

when a user is not team member,high concurrency request to add this user to the team,it will response 204 to one,and other resposne is Duplicate entry error.

Gitea Version

1.16.7

Can you reproduce the bug on the Gitea demo site?

No

Log Gist

No response

Screenshots

Git Version

1.8.3.1

Operating System

centos7.8

How are you running Gitea?

docker

Database

MySQL

[lunny]

Fixed by #19702