Force 2 products per row on mobile for Prettyblock product lists

[CySSoO]

Motivation

• Ensure Prettyblock product blocks display two items per row on mobile to improve layout consistency and match the intended design.

Description

• Change default mobile items in views/templates/hook/ever_presented_products.tpl to default:2 and enforce a minimum of mobileItems >= 2 so mobile grids produce two columns (col-6).
• Apply d-none d-md-block only when a carousel is active by wrapping it with {if isset($carousel) && $carousel} so non-carousel product blocks on mobile can use the 2-column layout.
• Only views/templates/hook/ever_presented_products.tpl was modified.

Testing

• The patch was applied successfully using apply_patch and the file was updated as expected.
• Changes were reviewed with git diff -- views/templates/hook/ever_presented_products.tpl which shows the intended modifications.
• The change was committed with git add and git commit and git status --short reports no other uncommitted changes.

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Codex Task