fix: set correct bridge channel to hangup (#18)

Author: tonyco97

lib/proxy_logic_13/proxy_logic_13.js

@@ -7965,9 +7965,9 @@ function forceHangupConversation(endpointType, endpointId, convid, extForCtx, cb
       // force hangup is realized with a redirection to a non existent destination.
       var chToHangup;
       if (chSource) {
-        chToHangup = endpointId === chSource.getCallerNum() ? chSource.getChannel() : chSource.getBridgedChannel();
+        chToHangup = chSource.getBridgedChannel();
       } else {
-        chToHangup = endpointId === chDest.getCallerNum() ? chDest.getChannel() : chDest.getBridgedChannel();
+        chToHangup = chDest.getBridgedChannel();
       }
 
       if (chToHangup !== undefined) {