fix(swagger): display request body model in execution mode

packages/swagger-ui-plugins/plugins/layout/base-layout.plugin.ts

@@ -7,6 +7,7 @@ import { wrapJsonschemaStringArrayComponent } from "../form/wrap-jsonschema-stri
 import OperationSummary from "../operations/operation-summary.component";
 import OperationTag from "../operations/operation-tag.component";
 import { updateFields } from "../operations/reducers/update-fields.reducer.js";
+import { wrapRequestBody } from "../operations/request-body.component";
 import { wrapResponseBody } from "../operations/response-body.component";
 import { wrapClear } from "../operations/wrap-clear";
 import { wrapExecute } from "../operations/wrap-execute";
@@ -42,6 +43,7 @@ export const BaseLayoutPlugin = (system: System) => {
       execute: wrapExecute,
       clear: wrapClear,
       responseBody: wrapResponseBody,
+      RequestBody: wrapRequestBody,
       JsonSchema_string: wrapJsonschemaStringComponent,
       JsonSchema_array: wrapJsonschemaStringArrayComponent
     }

packages/swagger-ui-plugins/plugins/operations/request-body.component.tsx

@@ -0,0 +1,26 @@
+import { OrderedMap } from "immutable";
+import { FunctionComponent } from "react";
+
+import type { System } from "../../interfaces/System";
+
+export function wrapRequestBody(Base: FunctionComponent<Record<string, unknown>>) {
+  return (props: System & { requestBody?: any; contentType: any; specPath: any }) => {
+    const { getComponent, requestBody, specPath } = props;
+    const ModelExample = getComponent("modelExample");
+    const requestBodyContent = requestBody?.get("content") ?? OrderedMap();
+    const contentType = props.contentType || requestBodyContent.keySeq().first() || "";
+    const mediaTypeValue = requestBodyContent.get(contentType) ?? OrderedMap();
+
+    return (
+      <ModelExample
+        {...props}
+        expandDepth={1}
+        isExecute={true}
+        schema={mediaTypeValue.get("schema")}
+        specPath={specPath.push("content", contentType)}
+        example={<Base {...props} />}
+        includeWriteOnly={true}
+      />
+    );
+  };
+}