i18n:Replace qstr with Translation.tr and update the translation file

.config/quickshell/ii/modules/sidebarRight/BottomWidgetGroup.qml

@@ -17,8 +17,8 @@ Rectangle {
     property int selectedTab: 0
     property bool collapsed: Persistent.states.sidebar.bottomGroup.collapsed
     property var tabs: [
-        {"type": "calendar", "name": "Calendar", "icon": "calendar_month", "widget": calendarWidget}, 
-        {"type": "todo", "name": "To Do", "icon": "done_outline", "widget": todoWidget}
+        {"type": "calendar", "name": Translation.tr("Calendar"), "icon": "calendar_month", "widget": calendarWidget}, 
+        {"type": "todo", "name": Translation.tr("To Do"), "icon": "done_outline", "widget": todoWidget}
     ]
 
     Behavior on implicitHeight {

.config/quickshell/ii/modules/sidebarRight/notifications/NotificationList.qml

@@ -85,7 +85,7 @@ Item {
             anchors.verticalCenter: parent.verticalCenter
             anchors.leftMargin: 10
             horizontalAlignment: Text.AlignHCenter
-            text: `${Notifications.list.length} notifications`
+            text: `${Notifications.list.length} ${Translation.tr("notifications")}`
 
             opacity: Notifications.list.length > 0 ? 1 : 0
             visible: opacity > 0