Filtered search for NOT operators in Runner List

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Summary

In #329658 (closed) we replaced the Admin UI with a new filtered search, we should extend this search with NOT (!=) operators.

Description

The HAML implementation of the runners allows users to use NOT operators (!=) when filtering their runners.

NOT operators for all filters
image

This should be ported to the new GraphQL runner filters.

Edited by 🤖 GitLab Bot 🤖