Create action to jump to the current execution line in debug mode.
Added new action called "Show Current Line" that will jump to the
execution position of the debugging program. This allows setting a
shortcut to it, while the previous workaround of clicking on the active
frame in the frame stack didn't.
Reviewers: KDevelop, brauch
Reviewed By: KDevelop, brauch
Subscribers: kossebau, brauch, kdevelop-devel
Differential Revision: https://phabricator.kde.org/D14618