Make the key binding editor dialog bigger
Summary:
The first column in the key binding editor dialog usually has long lines of
text, to improve usability set a minimum size of 480x430 for that dialog
and an initial size of 500x500. Also set the initial width of that column
to 300.
Reviewers: Konsole, hindenburg
Reviewed By: Konsole, hindenburg
Subscribers: ngraham, Konsole
Tags: Konsole
Differential Revision: https://phabricator.kde.org/D11637
(cherry picked from commit bd560c563f16a9d14473607f09dfe7c3a6c490ee)