Theme editor changes for Core Components

[muskgupta]

Description

This PR covers the changes for supporting Theme Editor for Core components. This change has been previously tested as an EA by Abbvie and we are now moving this change to core components to be available.

Related Issue

Theme Epic https://jira.corp.adobe.com/browse/FORMS-14719

Motivation and Context

Enable Theme Editor for CC

How Has This Been Tested?

This change has been previously tested as an EA by Abbvie and also locally on test server.

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 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 and the overall coverage did not decrease.
• All unit tests pass on CircleCi.
• I ran all tests locally and they pass.

[adobe-bot]

Accessibility Violations Found

Id	Impact
aria-required-attr	critical
empty-heading	minor
label-title-only	serious
target-size	serious

[codecov]

Codecov Report

❌ Patch coverage is 0% with 18 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...ponents/internal/form/FormStructureParserImpl.java	0.00%	17 Missing ⚠️
.../components/internal/constants/ThemeConstants.java	0.00%	1 Missing ⚠️

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