fix(renderer): allow all h3 handled body types (#1755)

* fix: directly return stream in render handler

* chore: apply automated fixes

* support any

* remove import

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
Co-authored-by: Pooya Parsa <pooya@pi0.io>

src/runtime/renderer.ts

@@ -10,7 +10,7 @@ import {
 import { useNitroApp } from "./app";
 
 export interface RenderResponse {
-  body: string;
+  body: any;
   statusCode: number;
   statusMessage: string;
   headers: Record<string, string>;
@@ -58,8 +58,6 @@ export function defineRenderHandler(handler: RenderHandler) {
     }
 
     // Send response body
-    return typeof response.body === "string"
-      ? response.body
-      : JSON.stringify(response.body);
+    return response.body
   });
 }