fix: initialize loyalty program result map to prevent undefined access during order processing

static/src/app/pos_order_patch.js

@@ -72,6 +72,9 @@ patch(PosOrder.prototype, {
             }
         }
         const result = {};
+        for (const program of this.models["loyalty.program"].getAll()) {
+            result[program.id] = [];
+        }
         for (const program of programs) {
             let points = 0;
             const splitPoints = [];