(core) Add 'value' to trigger formula autocomplete

Summary:
API signature for autocomplete updated to add column ID, which is
necessary for exposing correct types for 'value'.

Test Plan: Unit tests.

Reviewers: alexmojaki

Reviewed By: alexmojaki

Subscribers: jarek, alexmojaki

Differential Revision: https://phab.getgrist.com/D2896

app/client/widgets/FormulaEditor.ts

@@ -45,6 +45,7 @@ export class FormulaEditor extends NewBaseEditor {
     this._formulaEditor = AceEditor.create({
       // A bit awkward, but we need to assume calcSize is not used until attach() has been called
       // and _editorPlacement created.
+      field: options.field,
       calcSize: this._calcSize.bind(this),
       gristDoc: options.gristDoc,
       saveValueOnBlurEvent: !options.readonly,