Don't prompt to save unchanged files

crates/workspace/src/workspace.rs

@@ -1419,7 +1419,7 @@ impl Workspace {
                     )
                 })?;
                 match answer.next().await {
-                    Some(0) => save_intent = SaveIntent::Save,
+                    Some(0) => save_intent = SaveIntent::SaveAll,
                     Some(1) => save_intent = SaveIntent::Skip,
                     _ => {}
                 }