Infra: Capitalisation Consistency (#6296)

* Rename Ryujinx.UI.Common

* Rename Ryujinx.UI.LocaleGenerator

* Update in Files

AboutWindow

* Configuration State

* Rename projects

* Ryujinx/UI

* Fix build

* Main remaining inconsistencies

* HLE.UI Namespace

* HLE.UI Files

* Namespace

* Ryujinx.UI.Common.Configuration.UI

* Ryujinx.UI.Common,Configuration.UI Files

* More instances

src/Ryujinx/UI/Applet/ErrorAppletDialog.cs

@@ -0,0 +1,31 @@
+using Gtk;
+using Ryujinx.UI.Common.Configuration;
+using System.Reflection;
+
+namespace Ryujinx.UI.Applet
+{
+    internal class ErrorAppletDialog : MessageDialog
+    {
+        public ErrorAppletDialog(Window parentWindow, DialogFlags dialogFlags, MessageType messageType, string[] buttons) : base(parentWindow, dialogFlags, messageType, ButtonsType.None, null)
+        {
+            Icon = new Gdk.Pixbuf(Assembly.GetAssembly(typeof(ConfigurationState)), "Ryujinx.UI.Common.Resources.Logo_Ryujinx.png");
+
+            int responseId = 0;
+
+            if (buttons != null)
+            {
+                foreach (string buttonText in buttons)
+                {
+                    AddButton(buttonText, responseId);
+                    responseId++;
+                }
+            }
+            else
+            {
+                AddButton("OK", 0);
+            }
+
+            ShowAll();
+        }
+    }
+}