Fix project search unsaved edits (#30864)

Closes #30820

Release Notes:

- Fixed an issue where entering a new search in the project search would
drop unsaved edits in the project search buffer

---------

Co-authored-by: Mark Janssen <20283+praseodym@users.noreply.github.com>

crates/workspace/src/item.rs

@@ -564,6 +564,10 @@ pub trait ItemHandle: 'static + Send {
     fn preserve_preview(&self, cx: &App) -> bool;
     fn include_in_nav_history(&self) -> bool;
     fn relay_action(&self, action: Box<dyn Action>, window: &mut Window, cx: &mut App);
+    fn can_autosave(&self, cx: &App) -> bool {
+        let is_deleted = self.project_entry_ids(cx).is_empty();
+        self.is_dirty(cx) && !self.has_conflict(cx) && self.can_save(cx) && !is_deleted
+    }
 }
 
 pub trait WeakItemHandle: Send + Sync {

crates/workspace/src/pane.rs

@@ -1857,7 +1857,7 @@ impl Pane {
                     matches!(
                         item.workspace_settings(cx).autosave,
                         AutosaveSetting::OnFocusChange | AutosaveSetting::OnWindowChange
-                    ) && Self::can_autosave_item(item, cx)
+                    ) && item.can_autosave(cx)
                 })?;
                 if !will_autosave {
                     let item_id = item.item_id();
@@ -1945,11 +1945,6 @@ impl Pane {
         })
     }
 
-    fn can_autosave_item(item: &dyn ItemHandle, cx: &App) -> bool {
-        let is_deleted = item.project_entry_ids(cx).is_empty();
-        item.is_dirty(cx) && !item.has_conflict(cx) && item.can_save(cx) && !is_deleted
-    }
-
     pub fn autosave_item(
         item: &dyn ItemHandle,
         project: Entity<Project>,
@@ -1960,7 +1955,7 @@ impl Pane {
             item.workspace_settings(cx).autosave,
             AutosaveSetting::AfterDelay { .. }
         );
-        if Self::can_autosave_item(item, cx) {
+        if item.can_autosave(cx) {
             item.save(format, project, window, cx)
         } else {
             Task::ready(Ok(()))