* fix: failed to set password after changing username
When we add a new member to an organization using Casdoor, Casdoor will automatically generate a member with a random username, such as "user_qvducc". When we change the username, for example, to "yunshu", an issue arises where we are unable to successfully edit the password. This is because Casdoor searches for a user based on `owner/username`, and before any changes are saved, the username in the database remains "user_qvducc". However, the frontend uses `orgName/yunshu` instead of `orgName/user_qvducc` to send the request to change the password. As a result, the backend cannot find the user and the password change fails.
* Update user.go
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Co-authored-by: hsluoyz <hsluoyz@qq.com>
559a91e8ee