Delete worker activities when using DestroyWorkerResults with a model version filter

Closes #1691 (closed), #1700 (closed)

changed milestone to %Arkindex 1.5.4

requested review from @babadie

assigned to @erouchet

added 2 commits

• e849b8e5 - 1 commit from branch master
• fb7bca84 - Delete worker activities when using DestroyWorkerResults with a model version filter

Compare with previous version

Tested locally on a folder with some worker activities

merged