added pulse sink; connect pulse -> playback 1-4

snap.xml

@@ -5,6 +5,16 @@
       <connection port="GxTuner:in" />
     </port>
   </client>
+  <client name="PulseAudio JACK Sink">
+    <port name="front-left">
+      <connection port="system:playback_1" />
+      <connection port="system:playback_3" />
+    </port>
+    <port name="front-right">
+      <connection port="system:playback_2" />
+      <connection port="system:playback_4" />
+    </port>
+  </client>
   <client name="Pianoteq52">
     <port name="out_1">
       <connection port="system:playback_1" />