Revert "Remove need for polkit, launch any ArchUpdater update through terminal"

This reverts commit 299add4a15.

Widgets/NLabel.qml

@@ -3,8 +3,12 @@ import QtQuick.Layouts
 import qs.Commons
 
 ColumnLayout {
+  id: root
+
   property string label: ""
   property string description: ""
+  property color labelColor: Color.mOnSurface
+  property color descriptionColor: Color.mOnSurfaceVariant
 
   spacing: Style.marginXXS * scaling
   Layout.fillWidth: true
@@ -13,14 +17,14 @@ ColumnLayout {
     text: label
     font.pointSize: Style.fontSizeL * scaling
     font.weight: Style.fontWeightBold
-    color: Color.mOnSurface
+    color: labelColor
     visible: label !== ""
   }
 
   NText {
     text: description
     font.pointSize: Style.fontSizeS * scaling
-    color: Color.mOnSurfaceVariant
+    color: descriptionColor
     wrapMode: Text.WordWrap
     visible: description !== ""
     Layout.fillWidth: true