MLS for Quick Chat (#686)

## Description:
<img width="842" alt="スクリーンショット 2025-05-09 17 51 27"
src="https://github.com/user-attachments/assets/b9a2cb5b-74d2-4c07-aed2-01d719de6eb4"
/>

MLS
## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced
- [x] I understand that submitting code with bugs that could have been
caught through manual testing blocks releases and new features for all
contributors

src/core/execution/QuickChatExecution.ts

@@ -1,6 +1,5 @@
-import quickChatData from "../../../resources/QuickChat.json";
 import { consolex } from "../Consolex";
-import { Execution, Game, MessageType, Player, PlayerID } from "../game/Game";
+import { Execution, Game, Player, PlayerID } from "../game/Game";
 
 export class QuickChatExecution implements Execution {
   private sender: Player;
@@ -38,16 +37,22 @@ export class QuickChatExecution implements Execution {
   tick(ticks: number): void {
     const message = this.getMessageFromKey(this.quickChatKey, this.variables);
 
-    this.mg.displayMessage(
-      `${this.sender.name()}: ${message}`,
-      MessageType.CHAT,
+    this.mg.displayChat(
+      message[1],
+      message[0],
+      this.variables,
       this.recipient.id(),
+      true,
+      this.recipient.name(),
     );
 
-    this.mg.displayMessage(
-      `You sent to ${this.recipient.name()}: ${message}`,
-      MessageType.CHAT,
+    this.mg.displayChat(
+      message[1],
+      message[0],
+      this.variables,
       this.sender.id(),
+      false,
+      this.recipient.name(),
     );
 
     consolex.log(
@@ -72,27 +77,8 @@ export class QuickChatExecution implements Execution {
   private getMessageFromKey(
     fullKey: string,
     vars: Record<string, string>,
-  ): string {
-    // Key for translation
-    const [category, key] = fullKey.split(".");
-    const phrases = quickChatData[category];
-
-    if (!phrases) {
-      consolex.warn(`QuickChat: Unknown category '${category}'`);
-      return `[${fullKey}]`;
-    }
-
-    const phraseObj = phrases.find((p) => p.key === key);
-    if (!phraseObj) {
-      consolex.warn(
-        `QuickChat: Key '${key}' not found in category '${category}'`,
-      );
-      return `[${fullKey}]`;
-    }
-
-    return phraseObj.text.replace(
-      /\[(\w+)\]/g,
-      (_, p1) => vars[p1] || `[${p1}]`,
-    );
+  ): string[] {
+    const translated = fullKey.split(".");
+    return translated;
   }
 }