fix: rich text editor behaviour in forms

[sashuk]

FX-4105

Description

This pull request fixes bug with Rich Text Editor blocking the form, so the RTE field does not lose focus (bug was introduced in #3645).

The solution is to move the registerNodeTransform() in the separate plugin.

How to test

Steps to reproduce

• check out https://github.com/toptal/picasso/commits/feature/rte-lexical
• run yarn start
• navigate to ?path=/story/picasso-forms-form--form
• focus into RTE field, then focus into any other field in other stories
• the focus will stay in RTE

Navigate to https://picasso.toptal.net/FX-NULL-fix-rte-in-forms/?path=/story/picasso-forms-form--form and test it the same way

Screenshots

🔴 Before

Kapture.2023-06-26.at.19.27.28.mp4

🟢 After

Kapture.2023-06-26.at.20.08.51.mp4

Development checks

• [N/A] Add changeset according to guidelines (if needed)
• Read CONTRIBUTING.md and Component API principles
• [N/A] Make sure that additions and changes on design follow Toptal's BASE design, and it's been already discussed with designers at #-base-core
• [N/A] Annotate all props in component with documentation
• [N/A] Create examples for component
• Ensure that deployed demo has expected results and good examples
• [N/A] Ensure the changed/created components have not caused accessibility issues. How to use accessibility plugin in storybook.
• Self reviewed
• Covered with tests

All development checks should be done and set checked to pass the
GitHub Bot: TODOLess action

PR commands

List of available commands:

• @toptal-bot run package:alpha-release - Release alpha version
• @toptal-anvil ping reviewers - Ping FX team for review

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[changeset-bot]

⚠️ No Changeset found

Latest commit: b51f4c5

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[sashuk]

This test was broken in feature branch, not related to the bug

[sashuk]

@toptal-anvil ping reviewers