Make WebAssembly templates use the same version as the rest of the WASM product (#22896)

We've already shipped a 3.2.0 version of the package. The build's currently producing
3.1.6 version of the package. This changes the package version to 3.2.1

Author: pranavkm

src/ProjectTemplates/ComponentsWebAssembly.ProjectTemplates/Microsoft.AspNetCore.Components.WebAssembly.Templates.csproj

@@ -8,6 +8,7 @@
     <IsShippingPackage>true</IsShippingPackage>
     <Description>Templates for ASP.NET Core Blazor WebAssembly projects.</Description>
     <PackageTags>$(PackageTags);blazor;spa</PackageTags>
+    <VersionPrefix>$(ComponentsWebAssemblyVersionPrefix)</VersionPrefix>
   </PropertyGroup>
 
   <PropertyGroup>