Add new button "Record screen" that allows to select a Screen Recording tool
Summary:
Adds a new button "Record screen" that allows to select a screen recording tool, currently Peek and SimpleScreenRecorder (and soon vokoscreen: https://phabricator.kde.org/D10390)
Moved from Reviewboard: https://git.reviewboard.kde.org/r/130215/
Reviewers: ngraham, Spectacle, rkflx
Reviewed By: ngraham, Spectacle, rkflx
Subscribers: rkflx
Maniphest Tasks: T7841
Differential Revision: https://phabricator.kde.org/D10295