Implement 'format without save' (#8806)

This solves a major usability problem in Zed, that there's no way to
temporarily disable auto formatting without toggling the whole feature
off.

fixes https://github.com/zed-industries/zed/issues/5230

Release Notes:

- Added a new `workspace::SaveWithoutFormatting`, bound to `cmd-k s`, to
save a file without invoking the auto formatter.

crates/workspace/src/workspace.rs

@@ -106,6 +106,7 @@ actions!(
         AddFolderToProject,
         Unfollow,
         SaveAs,
+        SaveWithoutFormat,
         ReloadActiveItem,
         ActivatePreviousPane,
         ActivateNextPane,
@@ -3532,6 +3533,11 @@ impl Workspace {
                     .save_active_item(action.save_intent.unwrap_or(SaveIntent::Save), cx)
                     .detach_and_log_err(cx);
             }))
+            .on_action(cx.listener(|workspace, _: &SaveWithoutFormat, cx| {
+                workspace
+                    .save_active_item(SaveIntent::SaveWithoutFormat, cx)
+                    .detach_and_log_err(cx);
+            }))
             .on_action(cx.listener(|workspace, _: &SaveAs, cx| {
                 workspace
                     .save_active_item(SaveIntent::SaveAs, cx)