D24564: Fix warning when we're not hovering a Control

[Aleix Pol Gonzalez]

apol created this revision.
apol added reviewers: Kirigami, ngraham.
Herald added a project: Plasma.
Herald added a subscriber: plasma-devel.
apol requested review of this revision.

REVISION SUMMARY
  Also remove hardcoded value that has a setting

TEST PLAN
  Manual test

REPOSITORY
  R858 Qt Quick Controls 2: Desktop Style

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D24564

AFFECTED FILES
  org.kde.desktop/ToolTip.qml

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