Changeset 58757

Editor: Update packages for 6.6.1.

Bugfixes included:

• ​Elements: Avoid specificity bump for top-level element-only selectors.
• ​Navigation block: Allow themes to override block library text-decoration rule.
• ​Fix invalid css for nested fullwidth layouts with zero padding applied.
• ​Prevent empty void at the bottom of editor when block directory results are present.
• ​Pattern overrides: Ensure "Reset" button always shows as last item and with border.
• ​Global Styles: Disable "Reset styles" button when there are no changes.
• ​Fix: Removed shuffle button when only 1 pattern is present.
• ​fix: wp icon focus issue.
• ​useBlockElement: return null until ref callback has time to clean up the old element.

Props ellatrix.
Fixes #61692.
See #61660, #61630, #61656.