Update ReadOnlyTextArea to controls 2

CURA-8685

resources/qml/Preferences/ReadOnlyTextArea.qml

@@ -2,9 +2,9 @@
 // Cura is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.1
-import QtQuick.Controls 1.1
+import QtQuick.Controls 2.15
 
-Item
+ScrollView
 {
     id: base
 
@@ -15,17 +15,22 @@ Item
 
     property bool readOnly: false
 
-    width: textArea.width
-    height: textArea.height
-
     TextArea
     {
         id: textArea
 
         enabled: !base.readOnly
         opacity: base.readOnly ? 0.5 : 1.0
+        selectByMouse: true
 
-        anchors.fill: parent
+        background: Rectangle
+        {
+            radius: UM.Theme.getSize("setting_control_radius").width
+            color: enabled ? UM.Theme.getColor("setting_control_disabled") : UM.Theme.getColor("setting_control")
+        }
+
+        color: UM.Theme.getColor("text")
+        font: UM.Theme.getFont("default")
 
         Keys.onReturnPressed:
         {