[Feature] Hosted Fields Support

[Dinwy]

Description

This PR is support for Komoju Hosted Fields, enhancing the payment integration by enabling hosted fields for credit card, bank transfer, and konbini payment methods. Key changes include the addition of a configuration to retrieve the publishable key, implementation of hosted fields, and maintaining the existing functionality for other payment methods.

Changes:

Configuration Updates:

• Added a method in Config.php to retrieve the publishable_key, and updated the system.xml and config.xml files to include this new configuration setting.

Hosted Fields Implementation:

• Integrated hosted fields for credit card, bank transfer, and konbini payment methods, enhancing user experience. This includes updating the frontend logic in form.js and form.html to support the hosted fields.
• Publishable Key property has been added to support hosted field
  

Maintaining Existing Functionality:

• Ensured that other payment methods continue to function as before, without any disruption to the existing payment flow.

Concerns

• There are some console error messages, does not block users to pay, however, I was not able to find a suitable way to prevent this.

Testing Videos

Scenario1: Credit Card

komoju_magento_credit_card_test.mov

Scenario2: Paypay (Non-hosted field supported payment method)

komoju_magento_paypay_test.mov

Scenario3: Konbini

komoju_magento_konbini_test.mov

Scenario4: Bank Transfer

komoju_magento_bank_transfer_test.mov