Fix remaining errors and enable strict mode (#1628)

## Description:

#1075 

Fixing all remaining type errors caused by strict mode and enable it.

## 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
- [x] I have read and accepted the CLA agreement (only required once).

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

azlod

---------

Co-authored-by: Scott Anderson <662325+scottanderson@users.noreply.github.com>

src/core/GameRunner.ts

@@ -4,6 +4,7 @@ import { Executor } from "./execution/ExecutionManager";
 import { WinCheckExecution } from "./execution/WinCheckExecution";
 import {
   AllPlayers,
+  Attack,
   Cell,
   Game,
   GameUpdates,
@@ -35,7 +36,7 @@ export async function createGameRunner(
   gameStart: GameStartInfo,
   clientID: ClientID,
   mapLoader: GameMapLoader,
-  callBack: (gu: GameUpdateViewData) => void,
+  callBack: (gu: GameUpdateViewData | ErrorUpdate) => void,
 ): Promise<GameRunner> {
   const config = await getConfig(gameStart.config, null);
   const gameMap = await loadGameMap(gameStart.config.gameMap, mapLoader);
@@ -231,7 +232,7 @@ export class GameRunner {
       throw new Error(`player with id ${playerID} not found`);
     }
 
-    const condition = (a) => a.id() === attackID;
+    const condition = (a: Attack) => a.id() === attackID;
     const attack =
       player.outgoingAttacks().find(condition) ??
       player.incomingAttacks().find(condition);