_WD_WaitElement: Allow check for hidden element

Pull request

Proposed changes

Add option that allows _WD_WaitElement to check the visibility of an element and return when it is no longer visible.

Checklist

Put an x in the boxes that apply. If you're unsure about any of them, don't hesitate to ask. We are here to help!
This is simply a reminder of what we are going to look for before merging your code.

[x] I have read and noticed the CODE OF CONDUCT document
[x] I have read and noticed the CONTRIBUTING document
[ ] I have added necessary documentation or screenshots (if appropriate)

Types of changes

Please check x the type of change your PR introduces:

[ ] Bugfix (change which fixes an issue)
[x] Feature (change which adds functionality)
[x] Code style update (formatting, renaming)
[ ] Refactoring (functional, structural)
[ ] Documentation content changes
[ ] Other (please describe)

What is the current behavior?

Checks exist for visible and enabled, but not hidden

What is the new behavior?

Add ability to check for hidden element

Additional context

Add any other context about the problem here.

System under test

Please complete the following information.

OS: [e.g. Windows 10]
OS Arch.: [e.g. X64]
Browser [e.g. firefox]
Browser version [e.g. 96.0.3]

Danp2 / au3WebDriver