return blob instead of text if the document is not json

Author: jsnanigans

src/templates/core/fetch/getResponseBody.hbs

@@ -6,7 +6,7 @@ async function getResponseBody(response: Response): Promise<any> {
             if (isJSON) {
                 return await response.json();
             } else {
-                return await response.text();
+                return await response.blob();
             }
         }
     } catch (error) {