Persist selections for editors (#25083)

Part of https://github.com/zed-industries/zed/issues/7371
Closes https://github.com/zed-industries/zed/issues/12853

Release Notes:

- Started to persist latest selections for editors, to restore those on
restart

crates/editor/src/movement.rs

@@ -1184,6 +1184,7 @@ mod tests {
     fn init_test(cx: &mut gpui::App) {
         let settings_store = SettingsStore::test(cx);
         cx.set_global(settings_store);
+        workspace::init_settings(cx);
         theme::init(theme::LoadThemes::JustBase, cx);
         language::init(cx);
         crate::init(cx);