Hide dead players from the leaderboard (#2114)

## Description:

Update leaderboard logic to exclude dead players. 
Players (including myPlayer) are only shown if alive.


https://github.com/user-attachments/assets/0a5c0422-4844-41ae-ae0b-3d7d8473491c

## 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:

aotumuri

src/client/graphics/layers/Leaderboard.ts

@@ -99,13 +99,13 @@ export class Leaderboard extends LitElement implements Layer {
     const numTilesWithoutFallout =
       this.game.numLandTiles() - this.game.numTilesWithFallout();
 
-    const playersToShow = this.showTopFive ? sorted.slice(0, 5) : sorted;
+    const alivePlayers = sorted.filter((player) => player.isAlive());
+    const playersToShow = this.showTopFive
+      ? alivePlayers.slice(0, 5)
+      : alivePlayers;
 
     this.players = playersToShow.map((player, index) => {
-      let troops = player.troops() / 10;
-      if (!player.isAlive()) {
-        troops = 0;
-      }
+      const troops = player.troops() / 10;
       return {
         name: player.displayName(),
         position: index + 1,
@@ -131,22 +131,21 @@ export class Leaderboard extends LitElement implements Layer {
         }
       }
 
-      let myPlayerTroops = myPlayer.troops() / 10;
-      if (!myPlayer.isAlive()) {
-        myPlayerTroops = 0;
+      if (myPlayer.isAlive()) {
+        const myPlayerTroops = myPlayer.troops() / 10;
+        this.players.pop();
+        this.players.push({
+          name: myPlayer.displayName(),
+          position: place,
+          score: formatPercentage(
+            myPlayer.numTilesOwned() / this.game.numLandTiles(),
+          ),
+          gold: renderNumber(myPlayer.gold()),
+          troops: renderNumber(myPlayerTroops),
+          isMyPlayer: true,
+          player: myPlayer,
+        });
       }
-      this.players.pop();
-      this.players.push({
-        name: myPlayer.displayName(),
-        position: place,
-        score: formatPercentage(
-          myPlayer.numTilesOwned() / this.game.numLandTiles(),
-        ),
-        gold: renderNumber(myPlayer.gold()),
-        troops: renderNumber(myPlayerTroops),
-        isMyPlayer: true,
-        player: myPlayer,
-      });
     }
 
     this.requestUpdate();