Fix Windows artifact naming in desktop packaging

- Fix the naming convention in Electron output to align with previous
  artifact naming to not break external/internal URLs.
- In desktop execution tests, make artifact locator logic stricter to
  test regression.

scripts/check-desktop-runtime-errors/utils/io.ts

@@ -1,38 +1,5 @@
-import { extname, join } from 'path';
 import { readdir, access } from 'fs/promises';
 import { constants } from 'fs';
-import { log, die, LogLevel } from './log';
-
-export async function findSingleFileByExtension(
-  extension: string,
-  directory: string,
-): Promise<FileSearchResult> {
-  if (!directory) { throw new Error('Missing directory'); }
-  if (!extension) { throw new Error('Missing file extension'); }
-
-  if (!await exists(directory)) {
-    return die(`Directory does not exist: ${directory}`);
-  }
-
-  const directoryContents = await readdir(directory);
-  const foundFileNames = directoryContents.filter((file) => extname(file) === `.${extension}`);
-  const withoutUninstaller = foundFileNames.filter(
-    (fileName) => !fileName.toLowerCase().includes('uninstall'), // NSIS build has `Uninstall {app-name}.exe`
-  );
-  if (!withoutUninstaller.length) {
-    return die(`No ${extension} found in ${directory} directory.`);
-  }
-  if (withoutUninstaller.length > 1) {
-    log(`Found multiple ${extension} files: ${withoutUninstaller.join(', ')}. Using first occurrence`, LogLevel.Warn);
-  }
-  return {
-    absolutePath: join(directory, withoutUninstaller[0]),
-  };
-}
-
-interface FileSearchResult {
-  readonly absolutePath?: string;
-}
 
 export async function exists(path: string): Promise<boolean> {
   if (!path) { throw new Error('Missing path'); }