Improve framework to resolve the definedBy authenticator property

[Thisara-Welmilla]

Task Issue:

• Introduce new authenticator properties: DefinedBy product-is#21111

With the above issue, we introduce new authenticator config :definedBy. This PR to add the code logic do following.

• Check Federated authenticator in the IDP, have definedBy property, if not resolve it.
• For new federated authenticators: If 'definedByType' is null, set it to default to SYSTEM.
• For existing federated authenticators, disregard any value provided in the request payload. Instead, resolve and retrieve the 'definedBy' type of the corresponding existing authenticator. If the authenticator config is present in the ApplicationAuthenticatorService list, return its type, if not return USER.