only call internal.identified when an account tag is first seen

closes #249

src/core_modules/permissions/__init__.py

@@ -116,6 +116,7 @@ class Module(ModuleManager.BaseModule):
     @utils.kwarg("priority", EventManager.PRIORITY_HIGH)
     def account_tag(self, event):
         account = ACCOUNT_TAG.get_value(event["line"].tags)
+        if not self._is_identified(event["user"]):
             if not account == None:
                 self._has_identified(event["server"], event["user"], account)