[Audiosharing] Fix address type usage in QR code format if address not present

Bug: 327599769
Test: atest com.android.settingslib.bluetooth.BluetoothLeBroadcastMetadataExtTest
Change-Id: I57a0ddeef04c879750c9a1dd51452cf196c8c9ed

packages/SettingsLib/src/com/android/settingslib/bluetooth/BluetoothLeBroadcastMetadataExt.kt

@@ -311,7 +311,7 @@ object BluetoothLeBroadcastMetadataExt {
         }
 
         builder.apply {
-            setSourceDevice(device, sourceAddrType)
+            setSourceDevice(device, addrType)
             setSourceAdvertisingSid(sourceAdvertiserSid)
             setBroadcastId(broadcastId)
             setBroadcastName(broadcastName)