Fix the compilation error (#7328)

Follow-up of https://github.com/zed-industries/zed/pull/7326

Release Notes:

- N/A

crates/gpui/src/app.rs

@@ -666,7 +666,7 @@ impl AppContext {
                     .values()
                     .filter_map(|window| {
                         let window = window.as_ref()?;
-                        (window.dirty || window.focus_invalidated).then_some(window.handle)
+                        window.dirty.then_some(window.handle)
                     })
                     .collect::<Vec<_>>()
                 {