feat(RichTextEditor): add Emoji plugin

[TomasSlama]

FX-4012

Description

• Create context to enable/disable optional features
• Add emoji plugin

How to test

• Play with emojis in the temploy

Screenshots

Before.	After.

Development checks

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

Breaking change

• codemod is created and showcased in the changeset
• test alpha package of Picasso in StaffPortal

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: 41f1d6b

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[TomasSlama]

@toptal-anvil ping reviewers

[TomasSlama]

@toptal-anvil ping reviewers

[augustobmoura]

I left a few comments, but didn't tested them yet

[TomasSlama]

@toptal-anvil ping reviewers

[augustobmoura]

Left some small comments, but it seems like its working correctly. One note though, should undo and redo be working on this? Or is this a different feature for a different ticket?

[TomasSlama]

@toptal-anvil ping reviewers