T29076-Fix_del_shortcut
Summary: - fixed T29076
Test Plan: code review; test: del, ctrl+l ctrl+d and ctrl+l ctrl+i (new instance) should now work
Reviewers: O1 MITK Reviewer Group I, s434n
Reviewed By: O1 MITK Reviewer Group I, s434n
Subscribers: s434n
Maniphest Tasks: T29076
Differential Revision: https://phabricator.mitk.org/D936