Migration upgrade (V2): addition of RolePermissions, RoomSettings,...

Migration upgrade (V2): addition of RolePermissions, RoomSettings, SharedAccess, SiteSettings, RoomConfiguration data (#4339)

* Add SiteSettings and RoomConfigs to migration

* Create standalone task for Room Settings

* Quickfixes

* Quickfix

* Rubo

* Add JSON parse

* Fix RoomSettings data structure

* Remove default values from room_settings hash

* Put RoomSettings logicin Room task

* Add SharedAccess task

* Fix SharedAccess logs

* Fix SiteSettings task

* Fix registration method

* Add RolePermissions to Role task

* Move SharedAccess to Room, fix SiteSettings

* Fix SharedAccess

* Add RoomsConfiguration

* Fix Roles after test

* Rename SiteSettings to Settings

* Rubocop

* Add logic to bypass HomeRoom empty string

* fix typos

* Rubocop

* Remove PrimaryColorDark from settings data