CYS > Full Composability - Ensure pattern categories are displayed on the Design your Homepage section

[nefeline]

Issue Description:

⚠️ Blocked: work on this only after #45835 and #47396 are complete.

As part of the work to enable full composability for the CYS, we need to update the design for the homepage from:

To:

Scope

The scope of this issue includes the following changes:

Add Patterns Categories

• Replacing the three static templates with the relevant categories of patterns: Intro, Featured Selling, About, Reviews, Newsletter, and Social media
• These categories should be fetched dynamically based on the available categories we receive for the patterns via the API request to the PTK: this means that this work is blocked by CYS > Patterns Migration: Ensure all WooCommerce patterns are migrated to the PTK #45835 and CYS > Patterns Migration: Update the registration of patterns within WooCommerce, ensuring they are fetched from the relevant PTK categories #47396

Add sidebar with listed patterns whenever clicking on them

• The patterns displayed on this list for each category should match the list provided by @verofasulo on https://www.figma.com/design/FlPl7fHaGv9mpu8Nfl0joH/CYS-with-Assembler---Core?node-id=2792-124404&t=r2UZEuJBIj9MENpb-0 and https://www.figma.com/design/FlPl7fHaGv9mpu8Nfl0joH/CYS-with-Assembler---Core?node-id=2814-125908&t=r2UZEuJBIj9MENpb-4

Copy

• The copy for the "design your homepage" should be updated
• The header of the list of patterns should include a brief description of the category.