manage stream rules - missing fields during autocomplete

Field input has auto-completion while typing .some fields in `GraylogSchemaFields` are not appearing while typing .

## Expected Behavior
`application_sso_target_name` and `application_sso_signonmode` is not appearing.

## Current Behavior
while creating stream rules, fields , in class `GraylogSchemaFields` must auto-complete while user types the field names and currently `application_sso_target_name` and `application_sso_signonmode` are not appearing.


## Possible Solution

## Steps to Reproduce (for bugs)

1.
2.
3.
4.

## Context

## Your Environment

* Graylog Version:
* Elasticsearch Version:
* MongoDB Version:
* Operating System:
* Browser version: