fix return type for crm multifields phone, email, im

[mesilov]

• add crm multifield type Email
• add crm multifield type Phone
• add crm multifield type Website
• add crm multifield type IM
• fix errors in Bitrix24\SDK\Services\CRM\Common\Result\AbstractCrmItem for return types
• update annotations for contact, lead
• add integration test for work with crm-multifields types
• add dto objects for crm-multyfield types

test DX for scenarios

• add contact with phone and email
• update phone for contact
• delete phone for contact
• delete one phone for contact

we must use simple VO for phone, email, IM, website or string?