Reenable icon border menu
Summary:
- current functionality preserved
- allow enabling/disabling bookmarks
- set bookmark or breakpoint as standard left-click action
BUG: 267806
FIXED-IN: 5.2.0
Test Plan:
Activate icon border and right-click to open menu.
Left-click into icon border to add/remove default mark.
Reviewers: KDevelop
Subscribers: kdevelop-devel
Differential Revision: https://phabricator.kde.org/D6179