(Master Issue) Sign-in Alert

[caw310]

Description

This will be the master ticket for work related to Experimental design requests

• Experimental Design - Recognize + serve LOA1 users a "Verify your identity" alert upon sign-in #2556
• New component: Sign-in widget (breaking out from general alert component) #76785
• Experimental Design LOA1 Identity Verification Alert #2284
• Experimental Design [Alert: need alt. version of sign-in alerts + lock icon] #3105

This ticket will be used to track all the work that is needed to complete the add a disabled variation to button. .

• Design: (experimental design request) Sign-in Alert - Design #3151
  -- Figma file: https://www.figma.com/design/afurtw4iqQe6y4gXfNfkkk/VADS-Component-Library?node-id=13356-315
• Development: Alert Sign-in - Development #3364
• A11 review: Sign in Alert - Accessibility review #3385
• Documentation: Alerts - Sign in - Documentation #3239 (comment)

Tasks

• Design: Add component to Figma or update component in Figma
• Development: Build web component and add as component to Storybook or update component and Storybook
• Accessibility review of the web component
• Update documentation site with guidance
• Request Staging review (if needed)
• Publish announcement on #platform-design-system and #design Slack channels

Acceptance Criteria

• Designs in Figma have been published
• Component is published on Storybook
• design.va.gov has been updated
• Staging review has been completed and 'Must' issues are resolved (if applicable)
• Announcement published on slack