Fixes keyboard issues with Linux and dead keys

Author: boriel

ZXBStudio/Program.cs

@@ -4,6 +4,7 @@
 using System;
 using System.Diagnostics;
 using System.Linq;
+using System.Runtime.InteropServices;
 
 namespace ZXBasicStudio
 {
@@ -97,6 +98,10 @@ public static AppBuilder BuildAvaloniaApp()
 
             return AppBuilder.Configure<App>()
                 .UsePlatformDetect()
+                .With(new X11PlatformOptions
+                {
+                    EnableIme = true,
+                })
                 .LogToTrace();
         }
     }