[BUG] Could not use Custom Status Code in Breakpoint Response

## Description
When changing the Status Code in the Breakpoint Breakpoint, it's not possible to use an unofficial status code, e.g 430

## Steps to Reproduce

1. Make a Breakpoint rule on Response
2. Change Status Code in the Other Tab

## Current Behavior
- Fallback to 200 OK

## Expected Behavior
- Able to use custom Status code
