[Migration] Add new Identity claim preferredMFAOption to existing tenants

[UdeshAthukorala]

Is your suggestion related to an experience ? Please describe.

• From IS 7.0 onwards we have the feature, login with user preferred MFA feature.

• From this feature we have introduces a new Identity claim[1] to store user preferred MFA option.

  • Introduced new claim : http://wso2.org/claims/identity/preferredMFAOption

• Related PRs for this feature can be find out from here[1][2]

  [1] - Introduce a new identity claim preferredMFAOption for user preferred MFA login feature carbon-identity-framework#5358
  [2] - Introduce a new claim preferredMFAOption to scim2 extension schema wso2-extensions/identity-inbound-provisioning-scim2#520

Related Issue

• preferredMFAOption related claims are not available in IS-7.0.0 #18857