Add Help button to Domain Page

[adhityamamallan]

Summary

• Add Help button to Domain Page, with useful links
• Gate it behind the Extended Domain Info feature flag for now
• Fix typo in CLI commands modal
• Set default popover border radius to 12px

Test plan

Unit tests + ran locally.

On desktop:

On mobile (narrow screens):

[Copilot]

Pull Request Overview

This PR adds a Help button to the Domain Page with useful links, gated behind an Extended Domain Info feature flag, and also fixes a typo in the CLI commands modal.

• Fix typo in help text in the CLI commands modal.
• Integrate the DomainPageHelp component as an endEnhancer in DomainPageTabs.
• Introduce new components, types, and tests for the DomainPageHelp and its related elements.

Reviewed Changes

Copilot reviewed 15 out of 15 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
src/views/workflow-page/workflow-page-cli-commands-modal/workflow-page-cli-commands-modal.tsx	Fixed typo in the CLI commands description text.
src/views/domain-page/domain-page-tabs/domain-page-tabs.tsx	Added DomainPageHelp as the endEnhancer prop to display the Help button.
src/views/domain-page/domain-page-help/domain-page-help.tsx	Introduced the Help button component with a popover and feature flag gating.
src/views/domain-page/domain-page-help-item-button/*	Added/modified the Help item button components and types for handling link, modal, and action items.
src/views/domain-page/config/domain-page-help-menu.config.ts	Provided configuration for the Help menu with categories and items.
Various tests	Updated and added tests to ensure rendering and behavior conform with the new Help button functionality.

Comments suppressed due to low confidence (1)

src/views/domain-page/domain-page-help/domain-page-help.tsx:14

• [nitpick] Consider renaming 'shouldEnableHelpTab' to a more descriptive name like 'isExtendedMetadataEnabled' to better reflect that this flag governs the extended metadata feature.

const { data: { metadata: shouldEnableHelpTab }, } = useSuspenseIsExtendedMetadataEnabled();