chore: changes for modularity on product select

[Riddhiagrawal001]

Type of Change

• Bugfix
• New feature
• Enhancement
• Refactoring
• Dependency updates
• Documentation
• CI/CD

Description

• When a user clicks on a product, one of the following scenarios will occur:
  - No merchant ID associated with the product → The user is redirected to the product's default home page.
  - A single merchant ID is associated → The user is automatically switched to the respective merchant.
  - Multiple merchant IDs are associated → A modal appears, allowing the user to select which merchant to switch to.
• When a user lands on the home page of any product, a new merchant is automatically created, and the user is switched to the newly created merchant

Add a new merchant

Select a merchant

Motivation and Context

How did you test it?

Cannot be tested as BE changes are not done yet

Where to test it?

• INTEG
• SANDBOX
• PROD

Checklist

• I ran npm run re:build
• I reviewed submitted code
• I added unit tests for my changes where possible

[semanticdiff-com]

Review changes with