Improve dialer UI and format phone number
Summary:
This makes the buttons more evenly spaced and formats the number as you type!
old:
new (updated):
The plan is to bring the entire dialer page down to about half its current size to support searching through contacts as one dials a number.
Reviewers: bshah, Plasma:_mobile, mart
Reviewed By: Plasma:_mobile, mart
Subscribers: ngraham
Differential Revision: https://phabricator.kde.org/D13936