D11225: Remove scrolling on sliders in config menu

[Alexis Breton]

abreton created this revision.
abreton added a reviewer: GCompris: Improvements.
abreton added a project: GCompris: Improvements.
Restricted Application added a subscriber: KDE Edu.
Restricted Application added a project: KDE Edu.
abreton requested review of this revision.

REVISION SUMMARY
  I felt a little bothered when scrolling using a touchpad in the configuration menu from the main menu because it was modifying the sliders "font size" and "font letter spacing" unintentionally.
  
  As the Slider's property "wheelEnabled" is only available for Qt.Quick.Controls 1.6 or 2, I did differently.

REPOSITORY
  R2 GCompris

REVISION DETAIL
  https://phabricator.kde.org/D11225

AFFECTED FILES
  src/activities/menu/ConfigurationItem.qml

To: abreton, #gcompris_improvements
Cc: #kde_edu, harrymecwan, ganeshredcobra, nityanandkumar, echarruau, rahulyadav, narvaez, scagarwal, apol, timotheegiet, hkaelberer, jjazeix, bcoudoin
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