Add conditional field formatting for numeric table and record fields

Scope & Context Twenty currently supports custom objects, fields, views, page layouts, front components, and command menu items through apps, but there does not appear to be a supported way to customize the native display renderer of an existing field in table/list views or record fields. A common CRM/table use case is conditional numeric formatting. For example, a quote premium or price-difference field should be visually scannable: • positive values render as bold green with an explicit + prefix • negative values render as bold red with a - prefix • zero/null values remain neutral • sorting, filtering, editing, and API values remain numeric Current Behavior Numeric fields render as plain numeric values. App front components can render UI in side panels or page-layout widgets, and views can configure columns/order/filters, but apps cannot override the native field/cell renderer for a specific field. For this use case, an app workaround would require …