Duplicate locale in localized friendly URL after adding a localized friendly URL

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.0.X, 7.1.0 Beta 2, Master
• Fix Version/s: 7.0.0 DXP FP59, 7.0.0 DXP SP9, 7.0.X, 7.1.10 DXP FP2, 7.1.1 CE GA2, 7.1.10.1 SP1, 7.1.X, Master
• Component/s: Core Infrastructure
• Labels:
  • INACTIVE
  • ee-ts
  • liferay-dxp-70-sp9
  • liferay-dxp-71-sp1
  • liferay-fixpack-de-59-7010
  • liferay-fixpack-dxp-2-7110
• Branch Version/s:
  7.0.x
• Backported to Branch:
  Committed
• Story Points: 0.25
• Fix Priority: 3
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/62334

Steps to reproduce:

1. Add a public page, test
2. Edit page friendly URL
3. Add a localized friendly URL for test, choose hu-HU, add /teszt
4. Check the success message
5. Visit [portal URL]/hu/web/guest/test
6. Check the redirect URL

Actual result:
URL redirects to [portal URL]/hu/hu/web/guest/teszt.

Expected result:
URL redirects to [portal URL]/hu/web/guest/teszt.