feat(SW-791): make confirmation page dynamic

stores/enter-details.ts

@@ -38,7 +38,7 @@ interface EnterDetailsState {
     step: StepEnum,
     updatedData?: Record<
       string,
-      string | boolean | BreakfastPackage | BedTypeSchema
+      string | boolean | number | BreakfastPackage | BedTypeSchema
     >
   ) => void
   setCurrentStep: (step: StepEnum) => void
@@ -157,7 +157,6 @@ export function initEditDetailsState(
           const nextStep =
             state.steps[state.steps.indexOf(state.currentStep) + 1]
 
-          // @ts-expect-error: ts has a hard time understanding that "false | true" equals "boolean"
           state.userData = {
             ...state.userData,
             ...updatedData,