My Workflow Tasks: Last Activity Date is not being updated

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.3.0 CE GA1, 7.3.10 DXP GA1, Master
• Component/s: Workflow > My Workflow Tasks
• Labels: None
• Fix Priority: 4
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/81764

Summary: Last Activity Date value inside My Workflow Tasks is not being updated

Steps to reproduce:

1. Associate Single Approver with blogs entry
2. Create a blog entry 
3. Go to Profile Menu > My Workflow Tasks and assign it to yourself
4. Reject the entry and resubmit it
5. Approve the task

Actual result: The last activity date is not being updated when performing workflow activities

Expected result: Last activity date should be updated after each interaction with the instance

NOTE: This issue is not being reproducible on 7.2.x (bb357b067490f707be79e3e6cbd09bf49cf4dcb7)

NOTE 2: This is also impacting Activity Description sorting. Please check the images attached.

Environment:
Commit: 564284ba0c071fc6502995df4f49e875eb82c647
Updated on: Sat Nov 30 10:33:05 2019 -08001