another try to hide cmd window on windows

.gitignore

@@ -1,2 +1,2 @@
-./fyne-cross
+fyne-cross
 ./soundscape-sync

FyneApp.toml

@@ -1,6 +1,6 @@
 [Details]
-Icon = "Icon.png"
-Name = "SoundscapeSync"
-ID = "com.cloonar.soundscape-sync"
-Version = "0.0.1"
-Build = 1
+  Icon = "Icon.png"
+  Name = "SoundscapeSync"
+  ID = "com.cloonar.soundscape-sync"
+  Version = "0.0.1"
+  Build = 2

internal/ui/sysproc_windows.go

@@ -3,10 +3,14 @@
 
 package ui
 
-import "syscall"
+import (
+    "syscall"
+)
+
+const CREATE_NO_WINDOW = 0x08000000
 
 func getSysProcAttr() *syscall.SysProcAttr {
     return &syscall.SysProcAttr{
-        CreationFlags: syscall.CREATE_NO_WINDOW,
+        CreationFlags: CREATE_NO_WINDOW,
     }
 }

internal/ui/windows.go

@@ -20,8 +20,6 @@ import (
 var bmcPng []byte
 
 // tryLinuxNativeFolderDialog attempts to open a native OS folder selection dialog on Linux.
-// It first tries zenity (common on GNOME), then kdialog (common on KDE).
-// If neither works, it returns an empty string.
 func tryLinuxNativeFolderDialog() string {
     cmd := exec.Command("zenity", "--file-selection", "--directory")
     out, err := cmd.Output()
@@ -56,6 +54,7 @@ func tryNativeFolderDialog() string {
                 "$ofd.FileName = 'Folder Selection.'; "+
                 "if ($ofd.ShowDialog() -eq 'OK') { Split-Path $ofd.FileName }")
 
+        // Set SysProcAttr for Windows to hide window
         if runtime.GOOS == "windows" {
             cmd.SysProcAttr = getSysProcAttr()
         }