Fixed another copy paste bug, changed speaker icon to button

Filtration.Common/Services/MessageBoxService.cs

@@ -0,0 +1,17 @@
+using System.Windows;
+
+namespace Filtration.Common.Services
+{
+    public interface IMessageBoxService
+    {
+        MessageBoxResult Show(string caption, string message, MessageBoxButton buttons, MessageBoxImage image);
+    }
+
+    public class MessageBoxService : IMessageBoxService
+    {
+        public MessageBoxResult Show(string caption, string message, MessageBoxButton buttons, MessageBoxImage image)
+        {
+            return MessageBox.Show(message, caption, buttons, image);
+        }
+    }
+}