Fix highlight color of quality dropdown

CURA-8928

resources/qml/PrintSetupSelector/Custom/MenuButton.qml

@@ -23,10 +23,7 @@ Button
     background: Rectangle
     {
         id: backgroundRectangle
-        border.width: UM.Theme.getSize("default_lining").width
-        border.color: button.checked ? UM.Theme.getColor("setting_control_border_highlight") : "transparent"
-        color: button.hovered ? UM.Theme.getColor("action_button_hovered") : "transparent"
-        radius: UM.Theme.getSize("action_button_radius").width
+        color: button.hovered ? UM.Theme.getColor("background_2"): UM.Theme.getColor("background_1")
     }
 
     // Workaround to ensure that the mnemonic highlighting happens correctly

resources/qml/ToolTip.qml

@@ -29,6 +29,7 @@ ToolTip
     visible: opacity != 0.0
     opacity: 0.0 // initially hidden
 
+
     Behavior on opacity
     {
         NumberAnimation { duration: 100; }