Refactoring of disabling of mouse tracking in e2e tests (#17902)

integration-tests/globalSetup.ts

@@ -13,6 +13,7 @@ import { mkdir, readdir, rm } from 'node:fs/promises';
 import { join, dirname } from 'node:path';
 import { fileURLToPath } from 'node:url';
 import { canUseRipgrep } from '../packages/core/src/tools/ripGrep.js';
+import { disableMouseTracking } from '@google/gemini-cli-core';
 
 const __dirname = dirname(fileURLToPath(import.meta.url));
 const rootDir = join(__dirname, '..');
@@ -74,9 +75,7 @@ export async function setup() {
 export async function teardown() {
   // Disable mouse tracking
   if (process.stdout.isTTY) {
-    process.stdout.write(
-      '\x1b[?1000l\x1b[?1003l\x1b[?1015l\x1b[?1006l\x1b[?1002l',
-    );
+    disableMouseTracking();
   }
 
   // Cleanup the test run directory unless KEEP_OUTPUT is set