Fixes #1053 Related #1052 I'm sure how we're gonna support the python comment style cells ```py # %% print("hello") ``` We have tests for them: https://github.com/cursorless-dev/cursorless/blob/56ad4c5cef3f8c8267a098a375cf9139cbbfb0ff/data/fixtures/recorded/selectionTypes/pourCell.yml But they are not a cell scope you can actually target. Tree sitter just sees these as a comment and a function call. We could 1. Remove them. I'm probably leaning towards this. 2. Try to use regular expression to actually support them properly. That means we're back to language specific implementations in typescript. 3. Do what we did before and just yield the current position as a notebook target. Feels very hacky and not something I would like to do. ## Checklist - [/] I have added [tests](https://www.cursorless.org/docs/contributing/test-case-recorder/) - [/] I have updated the [docs](https://github.com/cursorless-dev/cursorless/tree/main/docs) and [cheatsheet](https://github.com/cursorless-dev/cursorless/tree/main/cursorless-talon/src/cheatsheet) - [/] I have not broken the cheatsheet --------- Co-authored-by: Phil Cohen <phillip@phillip.io>

Migrate notebookCell to use a scope handler #1053

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