fix(clipboard-copy): copy button height

[bennypowers]

Fixes #2741

What I did

1. apply negative padding to the button height

Testing Instructions

1. check the dp

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🦋 Changeset detected

Latest commit: c52bf939ada1e508270e901f447ee91f6bd6c478

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

| Name | Type | | -------------------- | ----- | | @patternfly/elements | Patch |

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