Revert "Products.CMFActivity.ActivityTool: Remove dependency on portal_catalog owner."

This reverts commit 77b3f202.
For some obscure reason, this affects unit tests related to inventory
unit conversion. There seems to be too much code to cleanup to keep this
patch for now, so drop it.
7 jobs for for_testrunner_3
Status Job ID Name Coverage
  External
passed ERP5.CodingStyleTest-Master

passed ERP5.PerformanceTest-Master

failed ERP5.UnitTest-Master

01:25:56

failed ERP5.UnitTest-Master.Medusa

passed SlapOS.Eggs.UnitTest-Master.Python2

00:12:04

passed SlapOS.Eggs.UnitTest-Master.Python3

00:12:41

failed ERP5.UnitTest-Master