Fix async grid access during formulas + refactors

[HactarCE]

• [x] Fix async grid access during formula
• [x] Refactor formula functions in preparation for LSP integration
• [x] Expose column_name() and column_from_name() to JS

To QA

• [ ] CELL function works (in Formulas)
• [ ] existing formulas seems to work ok

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Name	Status	Preview	Comments	Updated (UTC)
quadratic	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	May 8, 2023 8:51pm