`whatin` requests that result in a `400` don't have the response body displayed

[corranrogue9]

Describe the bug whatin requests that result in a 400 don't have the response body displayed

To Reproduce Steps to reproduce the behavior:

1. Navigate to graph explorer here
2. Submit the request
3. Observe that there is no response body in the lower panel
4. Submit a request to https://graph.microsoft.com/v1.0/users?$expand=calendar&whatin using postman and the accesstoken copied from graph explorer
5. Observe that a response body is provided by graph

Expected behavior

1. Navigate to graph explorer here
2. Submit the request
3. The same response body view in postman above is displayed in the lower panel of graph explorer

Screenshots Response from graph explorer:

Response from postman:

Desktop (please complete the following information):

• OS: windows 10
• Browser: edge
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version: 120.0.2210.121