[Bug]: Valid JSONPath is Flagged as Invalid

[gs-dspell]

What happened?

This JSONPath filter:
$.[?(@.state == "blocked")]
...is flagged as invalid.

Trying to filter successful results from API call.

Steps to reproduce?

https://gitlab.com/api/v4/groups/:id/enterprise_users

:id is equal to a group name (top-level) or group ID number.
PRIVATE-TOKEN is set in header.

What did you expect to happen?

The interface reports it as invalid JSON when it isn't.

Platform

macOS

HTTPie Desktop version

2022.2.0

Relevant log output

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