feat(product): add show_in_list toggle and TV price formula UI

- show_in_list switch in product editor
- TvFormulaPriceSection component (blue theme) shown when show_on_tv is on
- Form defaults, model type, and submit logic for new fields

Co-authored-by: Cursor <cursoragent@cursor.com>

src/model/product.ts

@@ -27,6 +27,7 @@ export interface Product{
   show: boolean
   show_in_assets?: boolean
   show_on_tv?: boolean
+  show_in_list?: boolean
   trade_by_quantity?: boolean
   override_trading_hours?: boolean
   use_last_price_if_zero?: boolean
@@ -40,6 +41,8 @@ export interface Product{
   app_price?: boolean
   price_formula_enabled?: boolean
   price_formula?: string | null
+  tv_price_formula_enabled?: boolean
+  tv_price_formula?: string | null
   price: number
   price_profit?: number
   price_offset_percent?: number