Restore impl_actions! and remove derive(Action)

crates/command_palette2/src/command_palette.rs

@@ -49,7 +49,7 @@ impl CommandPalette {
             .available_actions()
             .into_iter()
             .filter_map(|action| {
-                let name = gpui::remove_the_2(action.name());
+                let name = action.name();
                 let namespace = name.split("::").next().unwrap_or("malformed action name");
                 if filter.is_some_and(|f| {
                     f.hidden_namespaces.contains(namespace)