LPS-69200 doesn't keep a fallback to find resourcebundle

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.1.X, Master
• Fix Version/s: 7.1.10 DXP FP5, 7.1.10.1 SP1, 7.1.2 CE GA3, 7.1.X, Master
• Component/s: WCM
• Labels:
  • ee-ts
  • liferay-dxp-71-sp1
  • liferay-fixpack-dxp-5-7110
• Branch Version/s:
  7.1.x
• Backported to Branch:
  Committed
• Story Points: 0.25
• Fix Priority: 4
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/65707

Reproduction steps:
1) Deploy the war file
2) Put the rss portlet intra to a page
3) Open its configuration -> Manage Templates then click on the Add button

Expected result:

• User can see the Edit Display Template Form

Actual Result:

• A NPE is shown caused by the changes introduced in LPS-69200.