Add logic for converting beam shear calculator input data

StructureHelperCommon/Models/Forces/BeamShearActions/Factories/BeamShearLoadFactory.cs

@@ -34,11 +34,11 @@ namespace StructureHelperCommon.Models.Forces.BeamShearActions
             ConcentratedForce concentratedForce = new(Guid.NewGuid())
             {
                 Name = "Concentrated force",
-                ForceValue = -5e4,
                 LoadRatio = 1,
                 RelativeLoadLevel = 0.5,
                 ForceCoordinate = 1
             };
+            concentratedForce.ForceValue.Qy = -5e4;
             return concentratedForce;
         }
 
@@ -47,12 +47,12 @@ namespace StructureHelperCommon.Models.Forces.BeamShearActions
             DistributedLoad distributedLoad = new(Guid.NewGuid())
             {
                 Name = "Distributed load",
-                LoadValue = -5e3,
                 LoadRatio = 1,
                 RelativeLoadLevel = 0.5,
                 StartCoordinate = 0,
                 EndCoordinate = 100
             };
+            distributedLoad.LoadValue.Qy = -5e3;
             return distributedLoad;
         }
     }

StructureHelperCommon/Models/Forces/ConcentratedForce.cs

@@ -24,7 +24,7 @@ namespace StructureHelperCommon.Models.Forces
         /// <inheritdoc/>
         public double ForceCoordinate { get; set; }
         /// <inheritdoc/>
-        public double ForceValue { get; set; }
+        public IForceTuple ForceValue { get; set; } = new ForceTuple(Guid.NewGuid());
         /// <inheritdoc/>
         public double RelativeLoadLevel
         {

StructureHelperCommon/Models/Forces/DistributedLoad.cs

@@ -16,7 +16,7 @@ namespace StructureHelperCommon.Models.Forces
         public Guid Id { get; }
 
         public string Name { get; set; } = string.Empty;
-        public double LoadValue { get; set; } = 0d;
+        public IForceTuple LoadValue { get; set; } = new ForceTuple(Guid.NewGuid());
         public double RelativeLoadLevel
         {
             get => relativeLoadLevel;

StructureHelperCommon/Models/Forces/IConcentratedForce.cs

@@ -18,6 +18,6 @@ namespace StructureHelperCommon.Models.Forces
         /// <summary>
         /// Value of force, N
         /// </summary>
-        double ForceValue { get; set; }
+        IForceTuple ForceValue { get; set; }
     }
 }

StructureHelperCommon/Models/Forces/IDistributedLoad.cs

@@ -8,7 +8,7 @@
         /// <summary>
         /// Value of uniformly distributed load, N/m
         /// </summary>
-        double LoadValue { get; set; }
+        IForceTuple LoadValue { get; set; }
         /// <summary>
         /// Coordinate of start of load, m
         /// </summary>