Refactoring common logic in OTP Authenticators

[amanda-ariyaratne]

Is your suggestion related to an experience ? Please describe.

All OTP authenticators (ex: Email OTP, SMS OTP, Whatsapp OTP) have similar functionality that is duplicated in each of the authenticators. Need to refactor them to a common codebase.

[amanda-ariyaratne]

Related PRs:

• Add Abstract OTP Authenticator wso2-extensions/identity-auth-otp-commons#1
• Extend SSOLoginReCaptchaConfig to filter OTP recaptcha wso2-extensions/identity-governance#731
• Add abstract OTP authenticator #16490

[amanda-ariyaratne]

Closing as all the changes are added to the product.