fix: remove invalid reward lines during order updates in loyalty programs

static/src/app/pos_loyalty_safe_coupon_patch.js

@@ -19,6 +19,15 @@ patch(PosOrder.prototype, {
                 line.coupon_id = undefined;
             }
         }
+    },
+    _updateRewardLines() {
+        if (this.lines) {
+            const invalidRewardLines = this.lines.filter((line) => line.is_reward_line && !line.reward_id);
+            for (const line of invalidRewardLines) {
+                line.delete();
+            }
+        }
+        return super._updateRewardLines(...arguments);
     }
 });
 
@@ -71,5 +80,15 @@ patch(PosStore.prototype, {
                 line.coupon_id = undefined;
             }
         }
+    },
+    async orderUpdateLoyaltyPrograms() {
+        const order = this.getOrder();
+        if (order && order.lines) {
+            const invalidRewardLines = order.lines.filter((line) => line.is_reward_line && !line.reward_id);
+            for (const line of invalidRewardLines) {
+                line.delete();
+            }
+        }
+        return await super.orderUpdateLoyaltyPrograms(...arguments);
     }
 });