refactor(treesitter): rename query previewer to query editor

[MariaSolOs]

As agreed in #24703 (comment).

[clason]

Maybe add a note to the doc string about the current limitations (only a "scratch query" for now)?

[clason]

Also, I just noticed a limitation of the current query editor: it does not play nicely with injected languages -- for example, you cannot test markdown_inline queries on a Markdown buffer.

Is it possible to add an optional argument to override the language for which the query editor is opened?

[MariaSolOs]

@clason as of today the query editor will use the parser from the filetype of the “base buffer” (the one from where the inspector was opened if the editor was toggled, or the source buffer if just using the :EditQuery command). We can configure the command to accept a filetype argument though, but that would be a different PR ;)

[clason]

We can configure the command to accept a filetype argument though,

I'd say just specify the parser; no need for filetype lookups. And no need to add that to the command; an advanced feature like that is fine to reserve for the Lua function.

but that would be a different PR ;)

Sure :)

[justinmk]

Thanks for following up on this!