fix(dropdown): react - dont pass hidden prop to cds-dropdown when false

[ashleyryan]

This is the boolean attribute issue that also effected modals as well. Passing in a false value renders hidden="false" in the DOM, which is breaking the overlay layer logic

PR Checklist

Please check if your PR fulfills the following requirements:

• [ ] Tests for the changes have been added (for bug fixes / features)
• [ ] Docs have been added / updated (for bug fixes / features)
• [ ] If applicable, have a visual design approval

PR Type

What kind of change does this PR introduce?

• [x] Bugfix
• [ ] Feature
• [ ] Code style update (formatting, local variables)
• [ ] Refactoring (no functional changes, no api changes)
• [ ] Build related changes
• [ ] CI related changes
• [ ] Documentation content changes
• [ ] clarity.design website / infrastructure changes
• [ ] Other... Please describe:

What is the current behavior?

The dropdown isn't closing when clicking outside of the dropdown.

Issue Number: #150

What is the new behavior?

React no longer renders a value for hidden, so the dropdown works as execpted

Does this PR introduce a breaking change?

• [ ] Yes
• [x] No

Other information

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[github-actions[bot]]

:tada: This PR is included in version 6.1.2 :tada:

The release is available on:

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[github-actions[bot]]

Hi there 👋, this is an automated message. To help Clarity keep track of discussions, we automatically lock closed PRs after 14 days. Please look for another open issue or open a new issue with updated details and reference this one as necessary.