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/graphics/layers/PlayerModerationModal.ts

@@ -65,7 +65,7 @@ export class PlayerModerationModal extends LitElement {
     if (!targetClientID || targetClientID.length === 0) return;
 
     const confirmed = confirm(
-      translateText("player_panel.kick_confirm", { name: other.name() }),
+      translateText("player_panel.kick_confirm", { name: other.displayName() }),
     );
     if (!confirmed) return;
 
@@ -142,9 +142,9 @@ export class PlayerModerationModal extends LitElement {
             >
               <div
                 class="text-sm font-semibold text-zinc-100 truncate"
-                title=${other.name()}
+                title=${other.displayName()}
               >
-                ${other.name()}
+                ${other.displayName()}
               </div>
             </div>