Clan System Part 1 (#3276)

## Description:

Properly split out clantags and usernames, a clantag should not be part
of a username.

<img width="285" height="286" alt="image"
src="https://github.com/user-attachments/assets/8ac56e82-b12c-4fc0-9774-e445252a6e61"
/>

https://api.openfront.dev/game/ojkqZFb2


<img width="296" height="596" alt="image"
src="https://github.com/user-attachments/assets/85152f80-c111-4f87-b85b-8516c9c6137b"
/>


https://api.openfront.dev/game/MF32BkVc


requires;
https://github.com/openfrontio/infra/pull/264

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [x] I have added relevant tests to the test directory
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced

## Please put your Discord username so you can be contacted if a bug or
regression is found:

w.o.n

src/client/LocalServer.ts

@@ -15,7 +15,6 @@ import {
 import {
   createPartialGameRecord,
   decompressGameRecord,
-  getClanTag,
   replacer,
 } from "../core/Util";
 import { getPersistentID } from "./Auth";
@@ -273,10 +272,10 @@ export class LocalServer {
       {
         persistentID: getPersistentID(),
         username: this.lobbyConfig.playerName,
+        clanTag: this.lobbyConfig.playerClanTag ?? null,
         clientID: this.clientID!,
         stats: this.allPlayersStats[this.clientID!],
         cosmetics: this.lobbyConfig.gameStartInfo?.players[0].cosmetics,
-        clanTag: getClanTag(this.lobbyConfig.playerName) ?? undefined,
       },
     ];
     if (this.lobbyConfig.gameStartInfo === undefined) {