feat: [puik-alert] fix #339 - fix alert design specs (link button text), ability to add icons for buttons (Action and Link)

[mattgoud]

Description

⚠️ fix alert design specs: by replacing the link (puik-link) by a Link Button (text variant)

⚠️ Finally no action slot to limit BC

News optional props (see updated stories for use) :
related to Action Button: rightIconBtn, leftIconBtn, AriaLabelBtn
related to Link Button: internalLink, externalLink , rightIconLink, leftIconLink, AriaLabelLink

❓ Types of changes

• 📖 Documentation (updates to the documentation or readme)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality)
• 📦 New feature (a non-breaking change that adds functionality)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

📝 Checklist

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes
• The component exists on old Prestashop UIKit and my pull request on migrating documentation is accepted.