Feature branch : Settings Synchronization

[hsingyuc]

Fixes #3916

Changes proposed in this Pull Request:

As part of the settings synchronization project, we want to make Stripe a single source of truth. This PR add a method to get the Stripe payment method configuration.

Testing instructions

1. Install and activate Code Snippets
2. Add below to code snippets

add_action( 'admin_init', function() {
	if ( class_exists( 'WC_Stripe_API' ) ) {
		error_log( print_r( WC_Stripe_API::get_payment_method_configurations(), true ) );
	}
}, 1000  );

3. Refresh the page
4. Visit your debug log and see below reponse

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• Covered with tests (or have a good reason not to test in description ☝️)
• Tested on mobile (or does not apply)

Changelog entry

• This Pull Request does not require a changelog entry. (Comment required below)

Changelog Entry Comment

Fetch Stripe settings with Stripe configuration API

Post merge

• Added testing instructions to the Release Testing Instructions wiki page (or does not apply)
• Added the needs docs label (or does not apply)
• Included this PR in the Release Thread scope (or does not apply)

[Mayisha]

The get_payment_method_configurations method is retrieving the payment method configuration perfectly from Stripe