Add alliance renewal action to Radial Menu (#3148)

## Description:

The following PR replaces the (disabled) alliance request button with an
alliance extension/renewal button when the alliance with the target
player is expiring.

Agreeing to renewal via radial menu also hides the message in the
EventsDisplay.

<img width="369" height="364" alt="image"
src="https://github.com/user-attachments/assets/d8040f5c-ad7b-47d0-852f-925ecbf273a8"
/>


https://github.com/user-attachments/assets/aa589edf-6505-46bf-88a3-aa4c2df9137f

Icon size adjusted:

<img width="294" height="252" alt="image"
src="https://github.com/user-attachments/assets/7ca63500-b1fb-427b-965c-cf121a5213da"
/>

## 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:

deshack_82603

---------

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

src/client/graphics/layers/PlayerActionHandler.ts

@@ -2,6 +2,7 @@ import { EventBus } from "../../../core/EventBus";
 import { TileRef } from "../../../core/game/GameMap";
 import { PlayerView } from "../../../core/game/GameView";
 import {
+  SendAllianceExtensionIntentEvent,
   SendAllianceRequestIntentEvent,
   SendAttackIntentEvent,
   SendBoatAttackIntentEvent,
@@ -55,6 +56,10 @@ export class PlayerActionHandler {
     this.eventBus.emit(new SendAllianceRequestIntentEvent(player, recipient));
   }
 
+  handleExtendAlliance(recipient: PlayerView) {
+    this.eventBus.emit(new SendAllianceExtensionIntentEvent(recipient));
+  }
+
   handleBreakAlliance(player: PlayerView, recipient: PlayerView) {
     this.eventBus.emit(new SendBreakAllianceIntentEvent(player, recipient));
   }