Switch old checkbox over to styled variant

CURA-8949

resources/qml/Preferences/SettingVisibilityPage.qml

@@ -3,7 +3,6 @@
 
 import QtQuick 2.1
 import QtQuick.Controls 2.15
-import QtQuick.Controls 1.1 as OldControls
 
 import UM 1.5 as UM
 
@@ -43,7 +42,7 @@ UM.PreferencesPage
         id: base
         anchors.fill: parent
 
-        OldControls.CheckBox
+        UM.CheckBox
         {
             id: toggleVisibleSettings
             anchors
@@ -53,7 +52,7 @@ UM.PreferencesPage
                 leftMargin: UM.Theme.getSize("default_margin").width
             }
             text: catalog.i18nc("@label:textbox", "Check all")
-            checkedState:
+            checkState:
             {
                 if(definitionsModel.visibleCount == definitionsModel.categoryCount)
                 {
@@ -68,8 +67,7 @@ UM.PreferencesPage
                     return Qt.PartiallyChecked
                 }
             }
-            partiallyCheckedEnabled: true
-
+            tristate: true
             MouseArea
             {
                 anchors.fill: parent;