Refactoring of beam shear calculation, add test for beam shea

DataAccess/DTOs/DTOEntities/BeamShears/BeamShearCalculatorInputDataDTO.cs

@@ -14,6 +14,9 @@ namespace DataAccess.DTOs
         public List<IBeamShearSection> Sections { get; } = new();
         [JsonProperty("Stirrups")]
         public List<IStirrup> Stirrups { get; } = new();
+        [JsonProperty("ShearCodeType")]
+        public ShearCodeTypes CodeType { get; set; } = ShearCodeTypes.SP_63_13330_2018_3;
+        [JsonProperty("DesignRangeProperty")]
         public IBeamShearDesignRangeProperty DesignRangeProperty { get; set; } = new BeamShearDesignRangePropertyDTO(Guid.NewGuid());
 
         public BeamShearCalculatorInputDataDTO(Guid id)