feature: informative development error when search misconfigured

[Paul-Bob]

Description

Fixes #3091

Related PR: https://github.com/avo-hq/avo-pro/pull/85

Raises an informative error (is displayed only on development) whenever a field has searchable: true but the target resource doesn't have the search configured.

search_error.mp4

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works

[codeclimate]

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[adrianthedev]

Let's see if we can show a link in 5-10 minutes.

[github-actions]

This PR has been merged into main. The functionality will be available in the next release.

Please check the release guide for more information.