fix(next): ensures req.locale is populated before running access control (#10533)

Fixes #10529. The `req.locale` property within collection and global
access control functions does not reflect the current locale. This was
because we were attaching the locale to the req only _after_ running
`payload.auth`, which attempts to get access control without a
fully-formed req. The fix is to first authenticate the user using the
`executeAuthStrategies` operation directly, then determine the request
locale with that user, and finally get access results with the proper
locale.

test/localization/shared.ts

@@ -18,3 +18,4 @@ export const withRequiredLocalizedFields = 'localized-required'
 export const localizedSortSlug = 'localized-sort'
 export const usersSlug = 'users'
 export const blocksWithLocalizedSameName = 'blocks-same-name'
+export const cannotCreateDefaultLocale = 'cannot-create-default-locale'