Media embed url fix

[dylans]

Description

Improve the reliability of url parsing with the media-embed plugin

Issue

Fixes: Make sure there's a trailing ? before adding query parameters (was failing for YouTube)

Checklist

• The new code matches the existing patterns and styles.
• The tests pass with yarn test.
• The linter passes with yarn lint. (Fix errors with yarn lint --fix.)
• The relevant examples still work: (Run examples with yarn docs.)

[changeset-bot]

🦋 Changeset detected

Latest commit: 3235d8f

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

This PR includes changesets to release 3 packages

Name	Type
@udecode/plate-media-embed	Patch
@udecode/plate-media-embed-ui	Patch
@udecode/plate	Patch

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