2.0.x UnitOfWork return array shape #409

Job	Run time
Platform test (7.4)	2m 52s
Platform test (8.1)	2m 37s
Platform test (8.0)	2m 43s
Platform test (8.1, doctrine/orm:^3.0 doctrine/dbal:^4.0 carbonphp/carbon-doctrine-types:^3 gedmo...	2m 29s
Platform test (8.3)	2m 35s
Platform test (8.3, doctrine/orm:^3.0 doctrine/dbal:^4.0 carbonphp/carbon-doctrine-types:^3 gedmo...	2m 27s
Platform test (8.2, doctrine/orm:^3.0 doctrine/dbal:^4.0 carbonphp/carbon-doctrine-types:^3 gedmo...	2m 25s
Platform test (8.2)	2m 35s
Platform test (8.4, doctrine/orm:^3.0 doctrine/dbal:^4.0 carbonphp/carbon-doctrine-types:^3 gedmo...	2m 35s
Platform test (8.4)	2m 41s
	25m 59s

Provide feedback