feat: export and reuse getLocale from one source

[fkakatie]

Test URLs:

• Before: https://main--progressrail--aemsites.aem.live/fr/
• After: https://getlocale--progressrail--aemsites.aem.live/fr/
• Before: https://main--progressrail--aemsites.aem.live/en/company/codeof-conduct
• After: https://getlocale--progressrail--aemsites.aem.live/en/company/codeof-conduct

[aem-code-sync]

Hello, I'm the AEM Code Sync Bot and I will run some actions to deploy your branch and validate page speed.
In case there are problems, just click a checkbox below to rerun the respective action.

• Re-run all PSI checks
• Re-run failed PSI checks
• Re-sync branch

Commits

• 66f56ba ✅ (latest)
• 73f65c9 ✅

[aem-code-sync]

	Page	Scores	Audits	Google
📱	/en/company/codeof-conduct
🖥️	/en/company/codeof-conduct
📱	/fr/
🖥️	/fr/