Backport official GLib iterator safety fix for Linux desktop

apps/desktop/src-tauri/vendor/glib/src/exit_code.rs

@@ -0,0 +1,33 @@
+// Take a look at the license at the top of the repository in the LICENSE file.
+
+use std::process::Termination;
+
+#[derive(Clone, Copy, PartialEq, Eq, Debug, PartialOrd, Ord)]
+pub struct ExitCode(i32);
+
+impl ExitCode {
+    pub const SUCCESS: Self = Self(0);
+    pub const FAILURE: Self = Self(1);
+
+    pub fn value(&self) -> i32 {
+        self.0
+    }
+}
+
+impl From<i32> for ExitCode {
+    fn from(value: i32) -> Self {
+        Self(value)
+    }
+}
+
+impl From<ExitCode> for i32 {
+    fn from(value: ExitCode) -> Self {
+        value.0
+    }
+}
+
+impl Termination for ExitCode {
+    fn report(self) -> std::process::ExitCode {
+        std::process::ExitCode::from(self.0 as u8)
+    }
+}