Add unit tests for KubernetesCluster, Tenant, ServiceInstance, and RegisterClusterHandler

- Implement tests for KubernetesCluster including registration, connectivity status, and error handling.
- Create tests for Tenant creation, member management, and status changes.
- Add tests for ServiceInstance provisioning and state management.
- Introduce RegisterClusterHandler tests to validate registration requests and error scenarios.
- Set up project files for new test projects with necessary dependencies.

src/EntKube.Web/Components/Account/Shared/PasskeySubmit.razor

@@ -0,0 +1,40 @@
+@using Microsoft.AspNetCore.Antiforgery
+@inject IServiceProvider Services
+
+<button type="submit" name="__passkeySubmit" @attributes="AdditionalAttributes">@ChildContent</button>
+<passkey-submit
+    operation="@Operation"
+    name="@Name"
+    email-name="@EmailName"
+    request-token-name="@tokens?.HeaderName"
+    request-token-value="@tokens?.RequestToken">
+</passkey-submit>
+
+@code {
+    private AntiforgeryTokenSet? tokens;
+
+    [CascadingParameter]
+    private HttpContext HttpContext { get; set; } = default!;
+
+    [Parameter]
+    [EditorRequired]
+    public PasskeyOperation Operation { get; set; }
+
+    [Parameter]
+    [EditorRequired]
+    public string Name { get; set; } = default!;
+
+    [Parameter]
+    public string? EmailName { get; set; }
+
+    [Parameter]
+    public RenderFragment? ChildContent { get; set; }
+
+    [Parameter(CaptureUnmatchedValues = true)]
+    public IDictionary<string, object>? AdditionalAttributes { get; set; }
+
+    protected override void OnInitialized()
+    {
+        tokens = Services.GetService<IAntiforgery>()?.GetTokens(HttpContext);
+    }
+}