Move session-create hook out of session_create so it works with grouped sessions.

cmd-new-session.c

@@ -267,6 +267,7 @@ cmd_new_session_exec(struct cmd *self, struct cmdq_item *item)
 		session_group_synchronize_to(s);
 		session_select(s, RB_MIN(winlinks, &s->windows)->idx);
 	}
+	notify_session("session-created", s);
 
 	/*
 	 * Set the client to the new session. If a command client exists, it is

session.c

@@ -169,7 +169,6 @@ session_create(const char *name, int argc, char **argv, const char *path,
 	}
 
 	log_debug("session %s created", s->name);
-	notify_session("session-created", s);
 
 	return (s);
 }