Translate the remaining shell text at display and keep translated values out of logic

shell/plugins/bar/widgets/Tray.qml

@@ -410,6 +410,7 @@ BarWidget {
       spacing: Style.space(8)
 
       Text {
+        textFormat: Text.PlainText
         text: I18n.tr("Tray icons")
         color: root.foreground
         font.family: root.fontFamily
@@ -418,6 +419,7 @@ BarWidget {
       }
 
       Text {
+        textFormat: Text.PlainText
         text: I18n.tr("Pinned icons stay visible. Hidden icons never show.")
         color: Qt.darker(root.foreground, 1.4)
         font.family: root.fontFamily
@@ -428,6 +430,7 @@ BarWidget {
 
       Text {
         visible: root.allItems.length === 0
+        textFormat: Text.PlainText
         text: I18n.tr("No tray items reporting.")
         color: Qt.darker(root.foreground, 1.5)
         font.family: root.fontFamily