CallActionBar: fix audio output selection

GitLab: #843

Change-Id: I8249a5edd229ce6c264d5ec3e3527e980bb88934

src/app/mainview/components/CallActionBar.qml

@@ -108,9 +108,7 @@ Control {
             }
             function accept(index) {
                 AvAdapter.stopAudioMeter()
-                AVModel.setOutputDevice(listModel.data(
-                                        listModel.index(index, 0),
-                                        AudioDeviceModel.RawDeviceName))
+                AVModel.setOutputDevice(index)
                 AvAdapter.startAudioMeter()
             }
         },

src/app/mainview/components/CallButtonDelegate.qml

@@ -208,7 +208,7 @@ ItemDelegate {
             radius: 4
         }
 
-        onActivated: menuAction.accept(index)
+        onActivated: index => menuAction.accept(index)
         model: visible ? menuAction.listModel : null
         delegate: ItemDelegate {
             id: menuItem