Add tab group sidebar support

crates/ely_domain/src/identifiers.rs

@@ -36,6 +36,7 @@ macro_rules! entity_id {
 entity_id!(TabId, "tab");
 entity_id!(SpaceId, "space");
 entity_id!(ProfileId, "profile");
+entity_id!(TabGroupId, "tab_group");
 entity_id!(SplitId, "split");
 entity_id!(WebViewId, "webview");
 entity_id!(DownloadId, "download");