Use URL_PARAMS constant instead of hardcoded parameter in merch-list.tsx

[coderabbitai]

Description

In src/widgets/merch-catalog/ui/merch-list/merch-list.tsx around line 37, a hardcoded URL parameter string '?page=1' is used in router.push() instead of the newly introduced URL_PARAMS.PAGE constant from src/shared/constants.ts.

This should be updated to use the centralized URL_PARAMS.PAGE constant for consistency with the rest of the codebase.

Context

• Related PR: 788-feat: Add filter for merch #904
• Comment: 788-feat: Add filter for merch #904 (comment)
• Requested by: @antonina220590

Location

• File: src/widgets/merch-catalog/ui/merch-list/merch-list.tsx
• Approximate line: 37