D26409: [kicker] Use arrow functions in event handlers

[Nicolas Fella]

nicolasfella created this revision.
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REVISION SUMMARY
  Fixes warnings from qmllint about unqualified property access. It also makes the code more readable since it's clear which are the signal's arguments

TEST PLAN
  Did kicker/dashboard things

REPOSITORY
  R119 Plasma Desktop

BRANCH
  arrow

REVISION DETAIL
  https://phabricator.kde.org/D26409

AFFECTED FILES
  applets/kicker/package/contents/ui/DashboardRepresentation.qml
  applets/kicker/package/contents/ui/DashboardTabBar.qml
  applets/kicker/package/contents/ui/ItemGridDelegate.qml
  applets/kicker/package/contents/ui/ItemGridView.qml
  applets/kicker/package/contents/ui/ItemListDelegate.qml
  applets/kicker/package/contents/ui/ItemListView.qml
  applets/kicker/package/contents/ui/MenuRepresentation.qml
  applets/kicker/package/contents/ui/SideBarItem.qml
  applets/kicker/package/contents/ui/SideBarSection.qml

To: nicolasfella, #plasma
Cc: plasma-devel, LeGast00n, The-Feren-OS-Dev, jraleigh, zachus, fbampaloukas, GB_2, ragreen, ZrenBot, ngraham, alexeymin, himcesjf, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, ahiemstra, mart
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