SCAL-228904 add customCSS passed from ts-embed-sdk

[UtkarshRai12]

No description provided.

[github-actions]

File	Coverage
All files	89%	✅
src/main/custom-chart-context.ts	88%	✅
src/main/logger.ts	88%	✅
src/main/post-message-event-bridge.ts	81%	✅
src/react/use-custom-chart-context.tsx	86%	✅
src/react/mocks/custom-chart-context-mock.ts	96%	✅
src/utils/date-formatting.ts	82%	✅
src/utils/formatting-util.ts	89%	✅
src/utils/conditional-formatting/conditional-formatting.ts	92%	✅
src/utils/globalize-Initializer/globalize-utils.ts	95%	✅
src/utils/number-formatting/number-formatting-utils.ts	98%	✅
src/utils/number-formatting/number-formatting.ts	90%	✅

Minimum allowed coverage is 0%

Generated by 🐒 cobertura-action against ab02739

[harshmeetTS]

change version to according to semver, this is not a bug fix but a feature addition