klipper: port barcode dialog to QML

Fushan Wenrequested to merge
work/fuf/qmllint-klipper into master

Reason for the change

Use the existing QML component to reduce some duplicate code and make the style more consistent.

Test plan

  1. Assign a shortcut to "Show Barcode"
  2. Press the shortcut

Screenshots or screen recordings

Before After
notgood 图片

Bugs fixed

Merge request reports