Windows: no console, app icons, Calc tiles paint, theme switch no edit

Release apps use the GUI subsystem; workers, Git and cmd start with
CREATE_NO_WINDOW. Each exe embeds its icon as resource 1, which gpui
also loads for the window. Patch 0044: Win32 devices take no client
buffer, so tiles and slide layers paint at full size, then copy.
ely.xcd gives both schemes one notes colour: Calc rewrote the comment
style on each switch and left an undo step. lo-patches.sh keeps LF.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

crates/ely-platform/src/apps.rs

@@ -118,7 +118,7 @@ pub fn open_default(path: &Path) -> io::Result<()> {
     } else {
         Command::new("xdg-open")
     };
-    let out = command.arg(path).output()?;
+    let out = ely_ipc::windowless(&mut command).arg(path).output()?;
     if !out.status.success() {
         let said = String::from_utf8_lossy(&out.stderr).trim().to_owned();
         return Err(io::Error::other(said));