fix(web): fix 'Future already completed' error when connectTimeout was set.

[ipcjs]

fix 'Future already completed' error when connectTimeout was set.

New Pull Request Checklist

• [x] I have read the Documentation
• [ ] I have searched for a similar pull request in the project and found none
  • #1496
  • #1470
• [x] I have updated this branch with the latest develop to avoid conflicts (via merge from master or rebase)
• [ ] I have added the required tests to prove the fix/feature I am adding
• [ ] I have updated the documentation (if necessary)
• [ ] I have run the tests and they pass

This merge request fixes / refers to the following issues:

• #1536
• #1497

Pull Request Description

Use Timer instead of Future.delay to implement connectTimeout on Web.