windows: Prevent command line from opening in release mode (#9839)

Release Notes:

- Prevents the terminal from opening on release mode on Windows

Note: this also prevents Zed from logging to the terminal when it is
launched from the terminal. Is this expected behaviour on other
platforms?

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Co-authored-by: 白山風露 <shirayama.kazatsuyu@gmail.com>

crates/zed/src/main.rs

@@ -1,5 +1,7 @@
 // Allow binary to be called Zed for a nice application menu when running executable directly
 #![allow(non_snake_case)]
+// Disable command line from opening on release mode
+#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
 
 mod zed;