Changes to Get existing account.

the endpoint scheme security auth_token was added to the API

the endpoint scheme security better_auth was removed from the API

the security scope accounts:read was added to the endpoint's security scheme sk

added the optional property smartAccount/chainId to the response with the 200 status

added the optional property smartAccount/ownerAddress to the response with the 200 status

removed the required property user from the response with the 200 status

added the required property wallet to the response with the 200 status

added the required property custody to the response with the 200 status

api tag accs v2 added

api tag Accounts removed

api tag Accounts added

api tag accs v2 removed

api tag accs v2 added

api tag Accounts removed