Leverage fs.stat to ensure it works by Electron package

[minggangw]

This pull request updates file system operations to improve compatibility with Electron's ASAR packaging system by replacing fs.access() with fs.stat() for existence checks. This is important since the project explicitly targets Electron (as seen in package.json with --target [email protected]).

Changes:

• Replaced fs.access() with fs.stat() in the findPackagesInDirectory function
• Replaced fsPromises.access() with fsPromises.stat() in the pathExists utility function

Fix: #1375

[Copilot]

Pull request overview

This pull request updates file system operations to improve compatibility with Electron's ASAR packaging system by replacing fs.access() with fs.stat() for existence checks. This is important since the project explicitly targets Electron (as seen in package.json with --target [email protected]).

Changes:

• Replaced fs.access() with fs.stat() in the findPackagesInDirectory function
• Replaced fsPromises.access() with fsPromises.stat() in the pathExists utility function

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
rosidl_gen/packages.js	Updated directory existence check for 'share' folder to use fs.stat() instead of fs.access()
lib/utils.js	Updated pathExists() utility function to use fsPromises.stat() instead of fsPromises.access()

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[coveralls]

coverage: 85.544% (+0.02%) from 85.524%
when pulling 68455b6 on minggangw:fix-1374
into 7767051 on RobotWebTools:develop.