8.20.8 Changelog PreProd hotfix 08.04.2021

ehealth.abac.api:
* Mithril rpc call optimizations - reduce resource usage.

mithril:
* Rpc functions optimizations - reduce resource usage.

ehealth.api
* Get_client_type_name function optimizations - performance optimization.
* Add no_tax_id documents for OTP to V3 declaration request response https://e-health-ua.atlassian.net/jira/servicedesk/projects/SUPPORT/queues/custom/34/SUPPORT-5480
* Ability to dismiss an employee of the reorganized legal entity - NHSU request
Generate code for THIRD_PERSON and OFFLINE auth methods https://e-health-ua.atlassian.net/jira/servicedesk/projects/SUPPORT/queues/custom/34/SUPPORT-4784, https://e-health-ua.atlassian.net/browse/SUPPORT-5130
* Do not allow to change position and mains speciality - https://e-health-ua.atlassian.net/browse/SUPPORT-5319 , https://e-health-ua.atlassian.net/browse/SUPPORT-5775

edr.api
* Rate limiter added - performance optimization.

medical_events
* Period.current_date_time correct region - https://e-health-ua.atlassian.net/browse/SUPPORT-5793
* Validate encounter.priority as required is encounter.class is inpatient - https://e-health-ua.atlassian.net/browse/SUPPORT-4115
* Fix procedure validation - https://e-health-ua.atlassian.net/browse/SUPPORT-5943 , https://e-health-ua.atlassian.net/browse/SUPPORT-6048
* Validate if db immunization is not in entered_in_error status on create package - https://e-health-ua.atlassian.net/browse/SUPPORT-5865
* Validate if diagnoses.rank is negative - https://e-health-ua.atlassian.net/browse/SUPPORT-6059
* Add validations on immunizations on package create - https://e-health-ua.atlassian.net/browse/SUPPORT-5840

otp_verification
Update httpoison and hackney - update component version