Receiver Edit page doesn't directly support Condition Filters

[etanb]

Describe the bug

Within the Receiver Edit page, every filter has it's own discrete section, but to edit Condition filters you'd have to go to Edit JSON and manually edit:

Impact on ReportStream

We are unable to add this Condition Filter to the Message Test result page.

Steps to reproduce

Steps to reproduce the behavior:

1. Go to Receiver Edit
2. There's no condition mapping
3. If you manually add to the JSON and save...
4. And then go to the Message Test Result page, it'll explode

Expected behavior

Even if you manually add the Condition filter to the JSON, the /reports/testing/test API errors out with that field added. IE, it's not supported.

Resources

When you manually add Condition filter to JSON, you get this: