feat(react/BubbleMenu): Add menuElStyle prop for BubbleMenu for custom styling

[rahalm22]

Changes Overview

Currently, the users are unable to easily add custom styling to BubbleMenu.
This PR introduces a new optional prop:

menuElStyle?: React.CSSProperties

This allows users to provide inline styles for the menuEl, enabling customisation.

Implementation Approach

Adding a typed menuElStyle prop to apply styles directly during initialisation

Testing Done

Tested in Demo

Verification Steps

Additional Notes

Checklist

• I have created a changeset for this PR if necessary.
• My changes do not break the library.
• I have added tests where applicable.
• I have followed the project guidelines.
• I have fixed any lint issues.

Related Issues

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⚠️ No Changeset found

Latest commit: f9aa424

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