fix - Use display text, instead of the language code in the palette, to avoid showing GB instead of UK

[andreituicu]

Test URLs:

• Before: https://main--servicenow--hlxsites.hlx.live/tools/picker/dist/index.html
• After: https://palette-locale--servicenow--hlxsites.hlx.live/tools/picker/dist/index.html

[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 PSI checks
• Re-sync branch

Commits

• c6d7b11 ✅ (latest)

[aem-code-sync]

Page	Scores	Audits	Google
/tools/picker/dist/index.html		Lighthouse returned error: NO_FCP. The page did not paint any content. Please ensure you keep the browser window in the foreground during the load and try again. (NO_FCP)

[andreituicu]

PSI check value is not relevant for this PR, as it is used as an authoring tool, not delivered to customers.