Fix issues masastack#154 (masastack#155)

Author: JeremyWu917

Masa.Blazor.Pro/Pages/App/ECommerce/Order/Cart.razor

@@ -18,7 +18,7 @@
                                     <MRating class="mb-1" Readonly Value="context.Score" Size=20 Color="remind" BackgroundColor="remind" Dense></MRating>
                                     <div class="mt-3 d-flex align-center justify-start">
                                         <span class="text-caption mr-2">Qty: </span>
-                                        <MTextField FullWidth=false Style="width:100px;max-width: 150px;" HideDetails="true" Type="number" TValue="uint" Outlined Dense @bind-Value="@context.Qty"  NumberProps="@(prop=> { prop.Min = 0; prop.Max = 99; prop.Step =1; })"></MTextField>
+                                        <MTextField FullWidth=false Style="width:100px;max-width: 150px;" HideDetails="true" Type="number" TValue="uint" Outlined Dense @bind-Value="@context.Qty"  NumberProps="@(prop=> { prop.Min = 1; prop.Max = 99; prop.Step = 1; })"></MTextField>
                                     </div>
                                 </div>
                                 <div class="flex-grow-1 d-flex flex-column justify-end">