Fix write only properties in request example (#3023)

Author: nolannbiron

.changeset/ninety-gorillas-sing.md

@@ -0,0 +1,5 @@
+---
+'@gitbook/react-openapi': patch
+---
+
+Fix write only properties in request example

packages/react-openapi/src/OpenAPICodeSample.tsx

@@ -123,7 +123,9 @@ function generateCodeSamples(props: {
                         }),
                         syntax: generator.syntax,
                     }),
-                    examples: generateMediaTypeExamples(mediaTypeObject).map((example) => ({
+                    examples: generateMediaTypeExamples(mediaTypeObject, {
+                        mode: 'write',
+                    }).map((example) => ({
                         example,
                         element: context.renderCodeBlock({
                             code: generator.generate({