translations: add untranslated text, fix some originals

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

@@ -98,7 +98,8 @@ Rectangle {
             property int remainingTasks: Todo.list.filter(task => !task.done).length;
             Layout.margins: 10
             Layout.leftMargin: 0
-            text: `${DateTime.collapsedCalendarFormat}   •   ${remainingTasks} task${remainingTasks > 1 ? "s" : ""}`
+            // text: `${DateTime.collapsedCalendarFormat}   •   ${remainingTasks} task${remainingTasks > 1 ? "s" : ""}`
+            text: Translation.tr("%1   •   %2 tasks").arg(DateTime.collapsedCalendarFormat).arg(remainingTasks)
             font.pixelSize: Appearance.font.pixelSize.large
             color: Appearance.colors.colOnLayer1
         }

.config/quickshell/ii/modules/sidebarRight/volumeMixer/VolumeMixer.qml

@@ -179,7 +179,7 @@ Item {
                     Layout.alignment: Qt.AlignLeft
                     color: Appearance.m3colors.m3onSurface
                     font.pixelSize: Appearance.font.pixelSize.larger
-                    text: `Select ${root.deviceSelectorInput ? "input" : "output"} device`
+                    text: root.deviceSelectorInput ? Translation.tr("Select input device") : Translation.tr("Select output device")
                 }
 
                 Rectangle {

.config/quickshell/ii/services/Ai.qml

@@ -372,7 +372,7 @@ Singleton {
             // See if policy prevents online models
             if (Config.options.policies.ai === 2 && !model.endpoint.includes("localhost")) {
                 root.addMessage(
-                    Translation.tr("Online models disallowed for \n\nControlled by `policies.ai` config option"),
+                    Translation.tr("Online models disallowed\n\nControlled by `policies.ai` config option"),
                     root.interfaceRole
                 );
                 return;