feat(linux): gate graphical backends and capabilities

src/AcDream.App/Program.cs

@@ -8,6 +8,7 @@ using Serilog;
 
 GraphicalHostPlatformServices graphicalPlatform =
     GraphicalHostPlatformServices.Resolve();
+graphicalPlatform.ConfigureWindowBackend();
 ApplicationPathSet applicationPaths = graphicalPlatform.Paths;
 IReadOnlyList<string> migratedConfigurationFiles =
     GraphicalLegacyConfigurationMigrator.Migrate(applicationPaths);
@@ -18,8 +19,16 @@ if (args.Length >= 1 && args[0] == "ui-studio")
     using var sw = new AcDream.App.Studio.StudioWindow(
         so,
         applicationPaths);
-    sw.Run();
-    return 0;
+    try
+    {
+        sw.Run();
+        return 0;
+    }
+    catch (NotSupportedException error)
+    {
+        Console.Error.WriteLine(error.Message);
+        return 4;
+    }
 }
 
 Log.Logger = new LoggerConfiguration()
@@ -138,7 +147,15 @@ try
         catch (Exception ex) { Log.Error(ex, "plugin enable failed: {Id}", plugin.Manifest.Id); }
     }
 
-    window.Run();
+    try
+    {
+        window.Run();
+    }
+    catch (NotSupportedException error)
+    {
+        Log.Error("{GraphicalStartupFailure}", error.Message);
+        return 4;
+    }
 }
 finally
 {