QmlDesigner: Fix broken visibilityOff icon

Task-number: QDS-4815
Change-Id: Ie872a2f899c57faf06f7cb6ee54504a8e5168356
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>

share/qtcreator/qmldesigner/propertyEditorQmlSources/imports/StudioTheme/InternalConstants.qml

@@ -158,13 +158,14 @@ QtObject {
     readonly property string unpin: "\u0099"
     readonly property string upDownIcon: "\u009A"
     readonly property string upDownSquare2: "\u009B"
-    readonly property string visibilityOff: "\u009C"
+    readonly property string visibilityOffBroken: "\u009C" // visibilityOff
-    readonly property string visibilityOn: "\u009D"
+    readonly property string visibilityOff: "\u009D" // visibilityOff2
-    readonly property string wildcard: "\u009E"
+    readonly property string visibilityOn: "\u009E"
-    readonly property string zoomAll: "\u009F"
+    readonly property string wildcard: "\u009F"
-    readonly property string zoomIn: "\u00A0"
+    readonly property string zoomAll: "\u00A0"
-    readonly property string zoomOut: "\u00A1"
+    readonly property string zoomIn: "\u00A1"
-    readonly property string zoomSelection: "\u00A2"
+    readonly property string zoomOut: "\u00A2"
+    readonly property string zoomSelection: "\u00A3"
 
     readonly property font iconFont: Qt.font({
                                                  "family": controlIcons.name,

src/plugins/qmldesigner/components/componentcore/theme.h

@@ -166,7 +166,8 @@ public:
         unpin,
         upDownIcon,
         upDownSquare2,
-        visibilityOff,
+        visibilityOffBroken, // visibilityOff
+        visibilityOff, // visibilityOff2
         visibilityOn,
         wildcard,
         zoomAll,