feat: add setting default sink capabilities

src/windows/audioman/AudioEntry.qml

@@ -2,6 +2,7 @@ import QtQuick
 import QtQuick.Layouts
 import QtQuick.Controls
 import Quickshell.Services.Pipewire
+import Quickshell.Io
 
 RowLayout {
     id: root
@@ -70,6 +71,14 @@ RowLayout {
                 checkable: false
                 visible: root.node.isSink
                 text: isDefault ? "default" : "not default"
+
+                onClicked: makeDefault.running = true
+
+                Process {
+                    id: makeDefault
+                    command: ["pactl", "set-default-sink", root.node?.name]
+                    running: false
+                }
             }
         }
         RowLayout {

src/windows/audioman/AudioManager.qml

@@ -3,6 +3,7 @@ import Quickshell.Services.Pipewire
 import QtQuick
 import QtQuick.Layouts
 import QtQuick.Controls
+import "root:base"
 
 PopupWindow {
     anchor {
@@ -16,12 +17,9 @@ PopupWindow {
     height: 300
     visible: false
 
-    Rectangle {
+    BRectangle {
         anchors.fill: parent
-        border.color: "black"
-        border.width: 2
-        radius: 5
-        color: "white"
+
         ScrollView {
             anchors.fill: parent
             contentWidth: availableWidth