TT#7932 Remove return by last from the pbxdevicefirmwares

Change-Id: I9ddf6cf2e5b619b74f557453025f191b30bd3e84

lib/NGCP/Panel/Role/API/PbxDeviceFirmwares.pm

@@ -107,7 +107,7 @@ sub update_item {
     unless($model) {
         $c->log->error("invalid device_id '$$resource{device_id}'");
         $self->error($c, HTTP_UNPROCESSABLE_ENTITY, "Pbx device model does not exist");
-        last;
+        return;
     }
 
     $item->update($resource);