Agent code and restructuring

Services/Website/MyDialogService.cs

@@ -4,16 +4,16 @@ namespace Services.Website;
 
 public class DialogContents
 {
-    public string Title { get; set; }
-    public string Message { get; set; }
-    public string ConfirmButtonLabel { get; set; }
+    public string Title { get; set; } = string.Empty;
+    public string Message { get; set; } = string.Empty;
+    public string ConfirmButtonLabel { get; set; } = string.Empty;
     public EventCallback<EventArgs> OnConfirm { get; set; }
     public EventCallback<EventArgs> OnCancel { get; set; }
 }
 
 public class MyDialogService : IMyDialogService
 {
-    private DialogContents _dialogContents;
+    private DialogContents _dialogContents = null!;
 
     public bool IsVisible { get; set; }
 
@@ -24,7 +24,7 @@ public class MyDialogService : IMyDialogService
 
     public void Unsubscribe(Action action)
     {
-        OnChange += action;
+        OnChange -= action;
     }
 
     public void Show(DialogContents dialogContents)

Services/Website/PermissionService.cs

@@ -7,8 +7,7 @@ public class PermissionService : IPermissionService, IDisposable
     private readonly IStorageService _storageService;
     private IJSRuntime _jsRuntime;
     private IToastService _toastService;
-    private bool isLoaded;
-    private bool isStorageEnabled = false;
+
 
     public PermissionService(IJSRuntime jsRuntime, IToastService toastService, IStorageService storageService)
     {

Services/Website/SearchService.cs

@@ -29,7 +29,7 @@ public class SearchService : ISearchService
 
     public void Unsubscribe(Action action)
     {
-        OnChange += action;
+        OnChange -= action;
     }
 
     public void Search(string entityId)

Services/Website/StorageService.cs

@@ -40,17 +40,17 @@ public class StorageService : IStorageService
 
     public void Unsubscribe(Action action)
     {
-        OnChange += action;
+        OnChange -= action;
     }
 
     public T GetValue<T>(string forKey)
     {
-        return _localStorageService.GetItem<T>(forKey);
+        return _localStorageService.GetItem<T>(forKey)!;
     }
 
     public void SetValue<T>(string key, T value)
     {
-        if (key.Equals(StorageKeys.EnabledStorage) && value.Equals(true))
+        if (value != null && key.Equals(StorageKeys.EnabledStorage) && value.Equals(true))
         {
             _localStorageService.SetItem(key, value);
             NotifyDataChanged();

Services/Website/ToastService.cs

@@ -13,7 +13,7 @@ public class ToastService : IToastService
 
     public void Unsubscribe(Action action)
     {
-        OnChange += action;
+        OnChange -= action;
     }
 
     public void AddToast(ToastModel toast)