Redirect on changed user and org name (#11649)

* Add redirect for user

* Add redirect for orgs

* Add user redirect test

* Appease linter

* Add comment to DeleteUserRedirect function

* Fix locale changes

* Fix GetUserByParams

* Fix orgAssignment

* Remove debug logging

* Add redirect prompt

* Dont Export DeleteUserRedirect & only use it within a session

* Unexport newUserRedirect

* cleanup

* Fix & Dedub API code

* Format Template

* Add Migration & rm dublicat

* Refactor: unexport newRepoRedirect() & rm dedub del exec

* if this fails we'll need to re-rename the user directory

Co-authored-by: 6543 <[email protected]>
Co-authored-by: zeripath <[email protected]>
Co-authored-by: Lunny Xiao <[email protected]>

options/locale/locale_en-US.ini

@@ -450,6 +450,7 @@ update_language_not_found = Language '%s' is not available.
 update_profile_success = Your profile has been updated.
 change_username = Your username has been changed.
 change_username_prompt = Note: username changes also change your account URL.
+change_username_redirect_prompt = The old username will redirect until it is claimed.
 continue = Continue
 cancel = Cancel
 language = Language
@@ -1941,6 +1942,7 @@ settings.visibility.private_shortname = Private
 settings.update_settings = Update Settings
 settings.update_setting_success = Organization settings have been updated.
 settings.change_orgname_prompt = Note: changing the organization name also changes the organization's URL.
+settings.change_orgname_redirect_prompt = The old name will redirect until it is claimed.
 settings.update_avatar_success = The organization's avatar has been updated.
 settings.delete = Delete Organization
 settings.delete_account = Delete This Organization