This update for kmozillahelper fixes the following issues:

- Update to 5.0.5:
  * Recognize if started from Thunderbird
  * Cache helper protocols (boo#1037806)
  * Use new style connect
  * Don't use deprecated KRun:runUrl without flags, use with flags
  * Improve HiDPI support
- Add %license

This update was imported from the openSUSE:Leap:15.1:Update update project.