Remove workflow features button

[lyzno1]

Summary

This PR removes the workflow features button from the header.

Changes made:

• Split the FeaturesTrigger component to separate features button from publish functionality
• Created new AppPublisherTrigger component containing only the publish logic
• Removed Features panel component and related state management
• Cleaned up all translations for features-related text
• Improved test run shortcut text color to use tertiary text color for better visual hierarchy

Files changed:

• Deleted: features-trigger.tsx, features.tsx
• Created: app-publisher-trigger.tsx
• Modified: workflow header, state management, translations

The publish button remains fully functional with all its previous capabilities.

Screenshots

Before	After

Checklist

• This change requires a documentation update, included: Dify Document
• I understand that this PR may be closed in case there was no previous discussion or issues. (This doesn't apply to typos!)
• I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic change.
• I've updated the documentation accordingly.
• I ran dev/reformat(backend) and cd web && npx lint-staged(frontend) to appease the lint gods