[BYOC] Productize move of FEAASWrapper and BYOCWrapper to base packages

[illiakovalenko]

• This PR follows the Contribution Guide
• Changelog updated

Description / Motivation

• Updated @sitecore-feaas/clientside to the latest version
• Introduced next-config/plugins/feaas and updated next-config/plugins/monorepo to solve issues arising due to FEAAS SDK's dual CommonJS/ES module support on the server (via conditional exports). See https://nodejs.org/api/packages.html#dual-package-hazard.
• Removed FEaaSWrapper, BYOCWrapper from nextjs-sxa add-on
• Introduced FEaaSWrapper as a part of nextjs + react sdk
• Introduced BYOCWrapper as a part of react sdk
• Updated React Placeholder to keep fallback BYOC, FEaaS (component, wrapper) components in case they are not a part of componentFactory
• Added unit tests
• Pulled changes from feature/JSS-359-spike-feaas-byoc-base-package branch

Testing Details

• Unit Test Added
• Manual Test/Other - Added FEaaS/BYOC components on the page and verified that they are working as expected

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

[art-alexeyenko]

That's a large chunk of work, well done.
I left a couple comments below