add protocol to shopify domain when call using the provider

[michenly]

WHY are these changes introduced?

Fixes #2063

WHAT is this pull request doing?

Ensure when using <ShopifyProvider />'s getShopifyDomain method. It will always included https protocol.

HOW to test your changes?

Set up <ShopifyProvider /> with storeDomain prop without https protocol. Call getShopifyDomain() and see the method return the same domain with https.

Post-merge steps

Checklist

• I've read the Contributing Guidelines
• I've considered possible cross-platform impacts (Mac, Linux, Windows)
• I've added a changeset if this PR contains user-facing or noteworthy changes
• I've added tests to cover my changes
• I've added or updated the documentation

[shopify]

Oxygen deployed a preview of your mc-add-protocal-to-shopify-domain branch. Details:

Storefront	Status	Preview link	Deployment details	Last update (UTC)
skeleton	✅ Successful (Logs)	Preview deployment	Inspect deployment	May 6, 2024 3:05 PM

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[hsdonkin]

Thanks for fixing this!

[michenly]

@hsdonkin no problem. It will be included in the next release which should happen within 1-2 weeks