fix: bootstrapper dry run fix

Kiseki.Launcher.Windows/MainWindow.cs

@@ -31,9 +31,17 @@ public class MainWindow : Form
             Buttons = { CloseButton }
         };
 
-        Page.Created += (s, e) =>
+        Page.Created += (_, _) =>
         {
-            Bootstrapper.Run();
+            if (Bootstrapper.Initialize())
+                Bootstrapper.Run();
+        };
+
+        // This is a small hack to ensure that the underlying Form that MainWindow has
+        // doesn't open when the TaskDialogPage is destroyed.
+        Page.Destroyed += (_, _) =>
+        {
+            Environment.Exit(0);
         };
 
         ShowTaskDialog();
@@ -75,8 +83,8 @@ public class MainWindow : Form
 
     private void Bootstrapper_Errored(object? sender, string[] texts)
     {
-        Page.Icon = TaskDialogIcon.Error;
         Page.Heading = texts[0];
         Page.Text = texts[1];
+        Page.ProgressBar!.State = TaskDialogProgressBarState.Error;
     }
 }

Kiseki.Launcher.Windows/Win32.cs

@@ -1,18 +1,15 @@
-using System.Runtime.InteropServices;
+namespace Kiseki.Launcher.Windows;
 
-namespace Kiseki.Launcher.Windows
+public static class Win32
 {
-    public static class Win32
+    // Ref: https://learn.microsoft.com/en-us/windows/win32/msi/error-codes
+    // Ref: https://i-logic.com/serial/errorcodes.htm
+    public enum ErrorCode
     {
-        // Ref: https://learn.microsoft.com/en-us/windows/win32/msi/error-codes
+        ERROR_SUCCESS = 0,
-        // Ref: https://i-logic.com/serial/errorcodes.htm
+        ERROR_INSTALL_USEREXIT = 1602,
-        public enum ErrorCode
+        ERROR_INSTALL_FAILURE = 1603,
-        {
+        ERROR_CANCELLED = 1223,
-            ERROR_SUCCESS = 0,
+        ERROR_INTERNAL_ERROR = 1359
-            ERROR_INSTALL_USEREXIT = 1602,
-            ERROR_INSTALL_FAILURE = 1603,
-            ERROR_CANCELLED = 1223,
-            ERROR_INTERNAL_ERROR = 1359
-        }
     }
 }