Repeatable image fields can not be deleted

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 6.2.10 EE GA1
• Fix Version/s: 6.2.3 CE GA4, 6.2.X EE
• Component/s: WCM
• Labels:
  • 6.2.x-only
  • QA-F
  • liferay-fixpack-portal-40-6210
• Branch Version/s:
  6.2.x
• Backported to Branch:
  Committed
• Story Points: 17
• Fix Priority: 3
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal-ee/pull/8505

This issue happens only in 6.2.x releases, NOT in master

STEPS TO REPRODUCE
1.- Create an structure with an Image field that can be repeatable
2.- Create a Web content with the previous structure
3.- Click on the '+' icon to add a new Image field
4.- Click on the '-' icon to delete tha previous added field

ACTUAL
The field is not deleted and the following error appears in the js console (when the page is accesed using js_fast_load=0):

TypeError: field is null
name = field.get(NAME),

EXPECTED
The field should be deleted