Added PolicyBase operand properties

Author: karlssberg

Motiv/Not/NotPolicy.cs

@@ -19,7 +19,9 @@ internal sealed class NotPolicy<TModel, TMetadata>(
     protected override PolicyResultBase<TMetadata> IsPolicySatisfiedBy(TModel model) =>
         operand.IsSatisfiedBy(model).Not();
 
-    public SpecBase<TModel, TMetadata> Operand => operand;
+    public PolicyBase<TModel, TMetadata> Operand => operand;
+
+    SpecBase<TModel, TMetadata> IUnaryOperationSpec<TModel, TMetadata>.Operand => operand;
 
     SpecBase<TModel> IUnaryOperationSpec<TModel>.Operand => operand;
 

Motiv/OrElse/OrElsePolicy.cs

@@ -28,9 +28,13 @@ protected override PolicyResultBase<TMetadata> IsPolicySatisfiedBy(TModel model)
         };
     }
 
-    public SpecBase<TModel, TMetadata> Left => left;
+    public PolicyBase<TModel, TMetadata> Left => left;
 
-    public SpecBase<TModel, TMetadata> Right => right;
+    public PolicyBase<TModel, TMetadata> Right => right;
+
+    SpecBase<TModel, TMetadata> IBinaryOperationSpec<TModel, TMetadata>.Left => left;
+
+    SpecBase<TModel, TMetadata> IBinaryOperationSpec<TModel, TMetadata>.Right => right;
 
     SpecBase<TModel> IBinaryOperationSpec<TModel>.Right => Right;