ModalComponent Show und Close-Funktionsnamen normiert

CocktailWeb/Shared/TopRow.razor

@@ -104,14 +104,14 @@
 
     private async Task OpenDialog()
     {
-        await Pwd_Dialog.OpenModal();
+        await Pwd_Dialog.ShowAsync();
     }
 
     private async Task CloseDialog()
     {
         Pwd_ErrorText = null;
         Pwd_inputPassword = null;
-        await Pwd_Dialog.Close();
+        await Pwd_Dialog.CloseAsync();
     }