Add option to include and display a photo of the sales receipt

Implements `photoTicket` field in `Sale` and `FormData` types, adds UI elements in `NewSaleForm` and `SaleDetailsModal` components, and updates schema.ts.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: dec54137-d5a2-4406-8ad4-5f2f9fb110bf
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/0715008c-7244-40f4-befc-26c014852236/7df9e24f-d78b-4589-9a08-c70e02d6d7d9.jpg

client/src/types/sale.ts

@@ -27,6 +27,7 @@ export interface Sale {
   // Photos
   photoRecto?: string;
   photoVerso?: string;
+  photoTicket?: string;
 }
 
 export interface FormData {
@@ -46,9 +47,10 @@ export interface FormData {
   dateDelivrance: string;
   photoRecto?: string;
   photoVerso?: string;
+  photoTicket?: string;
 }
 
-export type PhotoType = 'recto' | 'verso';
+export type PhotoType = 'recto' | 'verso' | 'ticket';
 
 export interface BackupData {
   timestamp: string;