Add support for reordering document tabs (#3999)

* Add support for reordering document tabs

* Fix tab bar scrolling

* Close tab without activating it on pointerdown

frontend/src/stores/portfolio.ts

@@ -2,6 +2,7 @@ import { writable } from "svelte/store";
 import type { Writable } from "svelte/store";
 import type { SubscriptionsRouter } from "/src/subscriptions-router";
 import { downloadFile, downloadFileBlob, upload } from "/src/utility-functions/files";
+import { storeDocumentTabOrder } from "/src/utility-functions/persistence";
 import { rasterizeSVG } from "/src/utility-functions/rasterization";
 import type { EditorWrapper, OpenDocument } from "/wrapper/pkg/graphite_wasm_wrapper";
 
@@ -41,6 +42,7 @@ export function createPortfolioStore(subscriptions: SubscriptionsRouter, editor:
 			state.documents = data.openDocuments;
 			return state;
 		});
+		storeDocumentTabOrder({ subscribe });
 	});
 
 	subscriptions.subscribeFrontendMessage("UpdateActiveDocument", (data) => {