Use windows subsystem for this to avoid console window

crates/auto_mute_gui/src/main.rs

@@ -1,3 +1,5 @@
+#![windows_subsystem = "windows"]
+
 use std::{
     collections::HashSet,
     env,
@@ -18,6 +20,10 @@ use windows::Win32::{
         WindowsAndMessaging::{LoadIconW, WM_USER},
     },
 };
+use windows::{
+    core::*, Win32::{Foundation::*, Graphics::Gdi::ValidateRect, System::LibraryLoader::GetModuleHandleA, UI::WindowsAndMessaging::*},
+};
+
 use windows_core::w;
 
 const WM_TRAY_MENU: u32 = WM_USER;
@@ -151,11 +157,6 @@ fn main() {
     tray.run_loop()
 }
 
-use windows::{
-    core::*, Win32::Foundation::*, Win32::Graphics::Gdi::ValidateRect,
-    Win32::System::LibraryLoader::GetModuleHandleA, Win32::UI::WindowsAndMessaging::*,
-};
-
 extern "system" fn wndproc(hwnd: HWND, message: u32, wparam: WPARAM, lparam: LPARAM) -> LRESULT {
     unsafe {
         let mt = (GetWindowLongPtrW(hwnd, GWLP_USERDATA) as *mut MagicTray).as_mut();