Return edited entitys

This reverts commit 37e5c845d85ae0a2c0cf699c3ba53f94c18a2212.

Conflicts:
	src/Domain/Entity/Mill/PipeTest.cs
	src/Domain/Entity/Mill/PipeTestResult.cs
	src/Domain/Entity/Mill/TensileTests.cs
Merge pull request #142 from olga-jane/D_Kulish_1

Return edited entity for conflict resolve