[FIX] evaluation: add a getter to evaluate value and format

[LucasLefevre]

Description:

This commit introduces a new getter evaluateFormulaResult which is equivalent to the existing evaluateFormula but returns the value and the format instead of just the value.

Task: : 4102210

review checklist

• feature is organized in plugin, or UI components
• support of duplicate sheet (deep copy)
• in model/core: ranges are Range object, and can be adapted (adaptRanges)
• in model/UI: ranges are strings (to show the user)
• undo-able commands (uses this.history.update)
• multiuser-able commands (has inverse commands and transformations where needed)
• new/updated/removed commands are documented
• exportable in excel
• translations (_t("qmsdf %s", abc))
• unit tested
• clean commented code
• track breaking changes
• doc is rebuild (npm run doc)
• status is correct in Odoo

[robodoo]

[rrahir]

@robodoo r+