Fix copy/paste type in test asset

src/Components/test/testassets/BasicTestApp/BindCasesComponent.razor

@@ -53,7 +53,7 @@
 <p>
     short:
     <input id="textbox-short" @bind="textboxShortValue" type="number" />
-    <span id="textbox-short-value">@textboxLongValue</span>
+    <span id="textbox-short-value">@textboxShortValue</span>
     <input id="textbox-short-mirror" @bind="textboxShortValue" readonly />
 </p>
 <p>