[WIP] Make workshop text field searches ignore hyphens

[Copilot]

Thanks for assigning this issue to me. I'm starting to work on it and will keep this PR's description up to date as I form a plan and make progress.

Original prompt

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This section details on the original issue you should resolve

<issue_title>Make workshop text field searches ignore hyphens</issue_title>
<issue_description>Need to be stripped out of user input, and also adjust the workshop data against which it's being compared.</issue_description>

<agent_instructions>adjust the workshops index workshop search service to ignore matching against hyphens, esp in the workshop title.

so, if a user inputs "hello -- goodbye" into the search field, it'll find workshops w title (or text, depending on search field) "hello goodbye"
and, if a user inputs "hello goodbye" into the search field, it'll find workshop w title (or text, depending on search field) "hello - goodbye"</agent_instructions>

Comments on the Issue (you are @copilot in this section)

• Fixes Make workshop text field searches ignore hyphens #463

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