Custom Login Message for WASM Identity Authorization

To change the message “Authorizing…”

Need to add

<Authorizing>
     <h1>Authorization in progress</h1>
     <p>Only visible while authorization is in progress.</p>
</Authorizing>

to file App.razor

<CascadingAuthenticationState>
<Router AppAssembly="@typeof(Program).Assembly">
    <Found Context="routeData">
        <AuthorizeRouteView RouteData="@routeData" 
            DefaultLayout="@typeof(MainLayout)">
            <NotAuthorized>
                <h1>Sorry</h1>
                <p>You're not authorized to reach this page.</p>
                <p>You may need to log in as a different user.</p>
            </NotAuthorized>
            <Authorizing>
                <h1>Authorization in progress</h1>
                <p>Only visible while authorization is in progress.</p>
            </Authorizing>
        </AuthorizeRouteView>
    </Found>
    <NotFound>
        <LayoutView Layout="@typeof(MainLayout)">
            <h1>Sorry</h1>
            <p>Sorry, there's nothing at this address.</p>
        </LayoutView>
    </NotFound>
</Router>

Sources:

https://docs.microsoft.com/en-us/aspnet/core/blazor/security/?view=aspnetcore-5.0#customize-unauthorized-content-with-the-router-component