Remove need for polkit, launch any ArchUpdater update through terminal

ArchUpdater: rely on `TERMINAL` environment variable
README: Add explanation for the `TERMINAL` environment variable

Widgets/NLabel.qml

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

Widgets/NTextInput.qml

@@ -12,8 +12,6 @@ ColumnLayout {
   property bool readOnly: false
   property bool enabled: true
   property int inputMaxWidth: 420 * scaling
-  property color labelColor: Color.mOnSurface
-  property color descriptionColor: Color.mOnSurfaceVariant
 
   property alias text: input.text
   property alias placeholderText: input.placeholderText
@@ -27,8 +25,6 @@ ColumnLayout {
   NLabel {
     label: root.label
     description: root.description
-    labelColor: root.labelColor
-    descriptionColor: root.descriptionColor
     visible: root.label !== "" || root.description !== ""
   }
 

Widgets/NWidgetLoader.qml

@@ -35,7 +35,7 @@ Item {
           }
         }
       }
-      //Logger.log("NWidgetLoader", "Loaded", widgetName, "on screen", item.screen.name)
+      Logger.log("NWidgetLoader", "Loaded", widgetName, "on screen", item.screen.name)
     }
   }