Rename activities context menu item in task manager to "Show in Activities"
Summary: Sync with change in D23779.
Test Plan: Open the context menu for a task manager item.
Reviewers: Plasma, VDG, ngraham
Reviewed By: VDG, ngraham
Subscribers: VDG, plasma-devel, Plasma
Tags: Plasma
Differential Revision: https://phabricator.kde.org/D23785