Sign In button being displayed using incorrect language

• Type: Task
• Status: Closed
• Resolution: Completed
• Affects Version/s: None
• Fix Version/s: None
• Component/s: Forms
• Labels: None
• Epic Link: forms.liferay Improvements
• Sprint: Forms_7.3_23

Steps to reproduce

1. Open a new private window (incognito window) in your browser.
2. Go to forms.liferay.com.

Actual result

The Sign In button is displayed as Acceder using Spanish instead of English.

Expected result

The Sign In button should be displayed using English.