fix: missing host document for request body references

Signed-off-by: Vincent Biret <[email protected]>

Author: baywet

src/Microsoft.OpenApi.OData.Reader/Operation/EdmActionOperationHandler.cs

@@ -54,7 +54,7 @@ protected override void SetRequestBody(OpenApiOperation operation)
             {               
                 if (Context.Model.OperationTargetsMultiplePaths(action))
                 {
-                    operation.RequestBody = new OpenApiRequestBodyReference($"{action.Name}RequestBody", null);
+                    operation.RequestBody = new OpenApiRequestBodyReference($"{action.Name}RequestBody", _document);
                 }
                 else
                 {

src/Microsoft.OpenApi.OData.Reader/Operation/RefPostOperationHandler.cs

@@ -56,7 +56,7 @@ protected override void SetBasicInfo(OpenApiOperation operation)
         /// <inheritdoc/>
         protected override void SetRequestBody(OpenApiOperation operation)
         {
-            operation.RequestBody = new OpenApiRequestBodyReference(Constants.ReferencePostRequestBodyName, null);
+            operation.RequestBody = new OpenApiRequestBodyReference(Constants.ReferencePostRequestBodyName, _document);
 
             base.SetRequestBody(operation);
         }

src/Microsoft.OpenApi.OData.Reader/Operation/RefPutOperationHandler.cs

@@ -56,7 +56,7 @@ protected override void SetBasicInfo(OpenApiOperation operation)
         /// <inheritdoc/>
         protected override void SetRequestBody(OpenApiOperation operation)
         {
-            operation.RequestBody = new OpenApiRequestBodyReference(Constants.ReferencePutRequestBodyName, null);
+            operation.RequestBody = new OpenApiRequestBodyReference(Constants.ReferencePutRequestBodyName, _document);
 
             base.SetRequestBody(operation);
         }