watch: fix some node argument not passed to watched process

Author: rluvaton

test/sequential/test-watch-mode.mjs

@@ -460,7 +460,7 @@ console.log(values.random);
 
     writeFileSync(path.join(projectDir, 'some.js'), 'console.log(\'hello\')');
 
-    const file = createTmpFile('console.log("running");', '.cjs', projectDir);
+    const file = createTmpFile('console.log(\'running\');', '.js', projectDir);
     const watchedFile = createTmpFile('', '.js', dir);
     const args = [`--watch-path=${dir}`, '--require', './some.js', file];
     const { stdout, stderr } = await runWriteSucceed({