Fix V2 SSO user creation (#5079)

# Description of Changes


---

## Checklist

### General

- [ ] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [ ] I have read the [Stirling-PDF Developer
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md)
(if applicable)
- [ ] I have read the [How to add new languages to
Stirling-PDF](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md)
(if applicable)
- [ ] I have performed a self-review of my own code
- [ ] My changes generate no new warnings

### Documentation

- [ ] I have updated relevant docs on [Stirling-PDF's doc
repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/)
(if functionality has heavily changed)
- [ ] I have read the section [Add New Translation
Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

### Translations (if applicable)

- [ ] I ran
[`scripts/counter_translation.py`](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/docs/counter_translation.md)

### UI Changes (if applicable)

- [ ] Screenshots or videos demonstrating the UI changes are attached
(e.g., as comments or direct attachments in the PR)

### Testing (if applicable)

- [ ] I have tested my changes locally. Refer to the [Testing
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md#6-testing)
for more details.

frontend/public/locales/en-GB/translation.toml

@@ -5797,9 +5797,11 @@ username = "Username (Email)"
 usernamePlaceholder = "[email protected]"
 password = "Password"
 passwordPlaceholder = "Enter password"
+passwordRequired = "Password is required"
 role = "Role"
 team = "Team (Optional)"
 teamPlaceholder = "Select a team"
+authType = "Authentication Type"
 forcePasswordChange = "Force password change on first login"
 cancel = "Cancel"
 submit = "Add Member"
@@ -5808,6 +5810,12 @@ passwordTooShort = "Password must be at least 6 characters"
 success = "User created successfully"
 error = "Failed to create user"
 
+[workspace.people.authType]
+password = "Password"
+oauth = "OAuth2"
+saml = "SAML2"
+ssoDescription = "User will authenticate via SSO provider"
+
 [workspace.people.editMember]
 title = "Edit Member"
 editing = "Editing:"