change sea_recorder argument to dict

+ send sea_recorder to sea only when needed

devices.py

@@ -349,23 +349,22 @@ class FrappyConfig(Device):
             fm = FrappyManager()
             ins = config.instrument
             fm.get_server_state(ins, new_cfg)
-            recorders = []
+            recorders = {}
             for service, secnode in secnodes.items():
-                recorder = '0'
                 if services.get(service) and secnode:
                     cfg = fm.frappy_cfgs.get(service)
                     seacfg = fm.frappy2sea.get(cfg)
                     if secnode() and not seacfg:
                         if cfg:
-                            recorder = f'localhost:{fm.info[ins].get(service, 0)}/{cfg}'
+                            recorders[service] = f'localhost:{fm.info[ins].get(service, 0)}/{cfg}'
                         else:
-                            recorder = secnode.uri
+                            recorders[service] = secnode.uri
                     secnode._secnode.connect()
-                recorders.append(recorder)
-            try:
-                fm.sea.sea_recorder(ins, recorders)
-            except Exception:
-                pass
+            if recorders:
+                try:
+                    fm.sea.sea_recorder(ins, recorders)
+                except Exception:
+                    pass
             self.set_envalias()
             for secnode in remove_cfg:
                 secnode.disable()