fix: error thrown in version view when localization is false (#7502)

## Description

`const localeValues = locales.map((locale) => locale.value)`

This line was previously throwing an error in the version view when
localization is false. Changed to ensure locales exist before mapping
over them.

- [X] I have read and understand the
[CONTRIBUTING.md](https://github.com/payloadcms/payload/blob/main/CONTRIBUTING.md)
document in this repository.

## Type of change

- [ ] Chore (non-breaking change which does not add functionality)
- [X] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- [ ] Change to the
[templates](https://github.com/payloadcms/payload/tree/main/templates)
directory (does not affect core functionality)
- [ ] Change to the
[examples](https://github.com/payloadcms/payload/tree/main/examples)
directory (does not affect core functionality)
- [ ] This change requires a documentation update

## Checklist:

- [ ] I have added tests that prove my fix is effective or that my
feature works
- [X] Existing test suite passes locally with my changes
- [ ] I have made corresponding changes to the documentation

Author: jessrynkar

packages/next/src/views/Version/Default/index.tsx

@@ -81,7 +81,7 @@ export const DefaultVersionView: React.FC<DefaultVersionsViewProps> = ({
 
   const canUpdate = docPermissions?.update?.permission
 
-  const localeValues = locales.map((locale) => locale.value)
+  const localeValues = locales && locales.map((locale) => locale.value)
 
   return (
     <main className={baseClass}>