Bugfixes and minor refactor of movement builder

[tstesyn]

No description provided.

[github-actions]

Package	Line Rate	Branch Rate	Health
Btms.Types.Alvs	84%	67%	✔
Btms.Consumers	87%	76%	✔
Btms.Azure	43%	100%	❌
Btms.Analytics	75%	67%	➖
Btms.Common	82%	50%	✔
Btms.Backend.Data	65%	61%	➖
Btms.Types.Gvms	67%	100%	➖
Btms.Types.Ipaffs.Mapping	75%	43%	➖
Btms.Model	90%	91%	✔
Btms.Emf	11%	0%	❌
Btms.SyncJob	73%	62%	➖
Btms.Types.Alvs.Mapping.V1.Tests	0%	0%	❌
Btms.SensitiveData	80%	83%	✔
Btms.Types.Gvms.Mapping	38%	26%	❌
Btms.Types.Alvs.Mapping	76%	0%	➖
Btms.Backend	65%	47%	➖
TestGenerator.IntegrationTesting.Backend	85%	66%	✔
Btms.Business	84%	68%	✔
Btms.Metrics	88%	0%	✔
Btms.Types.Ipaffs	95%	61%	✔
Btms.BlobService	39%	31%	❌
TestDataGenerator	78%	76%	➖
Summary	78% (8095 / 10430)	59% (729 / 1238)	➖