Adds note secrecy to allow hiding notes from non-admins (#20280)

* adds note secrecy to allow hiding notes from non-admins

* fixes not seeing own notes

* renames notes to notes memory

* notes secrecy defaults to 1

* prompt during note creation for note secrecy

* Update NewBan.dm

* Update topic.dm

* Update sql_notes.dm

* Update client_procs.dm

* webclient tabbing error fix

* made cid detector notes non-secret

SQL/tgstation_schema_prefixed.sql

@@ -356,6 +356,7 @@ CREATE TABLE `SS13_notes` (
   `last_editor` varchar(32),
   `edits` text,
   `server` varchar(50) NOT NULL,
+  `secret` tinyint(1) NOT NULL DEFAULT  '1',
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=latin1;
 /*!40101 SET character_set_client = @saved_cs_client */;