feat(accessibility): add native keyboard dialogs and semantic account links (U08)

src/Duempelkas.App/Components/Dialogs/AddEntryDialog.razor.cs

@@ -45,6 +45,9 @@ public partial class AddEntryDialog
     private string amountText = string.Empty;
     private bool ValidAmount => Duempelkas.App.Services.BookingInput.TryAmount(amountText, out _);
     private decimal amount => Duempelkas.App.Services.BookingInput.TryAmount(amountText, out var value) ? value : 0;
+    private string initialState = string.Empty;
+    private string CurrentState => $"{dateText}|{title}|{amountText}|{entryType}";
+    private bool IsDirty => CurrentState != initialState;
     private bool initialized;
     private int? initializedEntryId;
 
@@ -64,6 +67,7 @@ public partial class AddEntryDialog
             title = EditEntry.Title;
             amountText = EditEntry.Amount.ToString("0.00", System.Globalization.CultureInfo.GetCultureInfo("de-DE"));
         }
+        initialState = CurrentState;
     }
 
     #endregion
@@ -106,7 +110,7 @@ public partial class AddEntryDialog
 
     private async Task Cancel()
     {
-        if (!isSaving) await OnCancel.InvokeAsync();
+        if (!isSaving && modal != null) await modal.RequestCloseAsync();
     }
 
     #endregion