refactor: extract version + compare to shared

[sharanyavinod]

Description

Extract reusable logic related to version history and document comparison to shared, so it could be reused within other blocks. No change in functionalities.
Note: Capabilities are extracted in such a way that different usages can customize the UX as needed.

Preview: https://da-ver--da-live--adobe.aem.live/

Related Issue

Motivation and Context

We are introducing version history and comparison within Experience Workspace -> this PR ensures we dont rebuild capabilities that already exist and reuse as much as possible

How Has This Been Tested?

Screenshots (if appropriate):

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)

Checklist:

• I have signed the Adobe Open Source CLA.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

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Commits

• c7a8a3a ✅ (latest)
• b19eebd ✅
• 5c20bf4 ✅
• 8b28952 ✅

[mhaack]

I think this is going into a good direction to make it re-useable and decouple cross block dependencies.

[mhaack]

Tested it and to version compare and restored in /edit work like before.