fix: msi, prevent black window (#13665)

For msi version, the black window is shown when creating desktop
shortcut for connection.

The exe version does not have this issue.

Signed-off-by: fufesou <linlong1266@gmail.com>

src/platform/windows.rs

@@ -1882,6 +1882,7 @@ oLink.Save
     .to_owned();
     std::process::Command::new("cscript")
         .arg(&shortcut)
+        .creation_flags(CREATE_NO_WINDOW)
         .output()?;
     allow_err!(std::fs::remove_file(shortcut));
     Ok(())