xtermjs: fix inital load term size

js/dist/waitFor.d.ts

@@ -0,0 +1,9 @@
+/**
+ * Waits for a DOM element matching the selector to exist in the document.
+ * Resolves immediately if it already exists.
+ *
+ * @param selector CSS selector for the element to wait for
+ * @param timeout Optional timeout in milliseconds (default: no timeout)
+ * @returns Promise that resolves with the found element
+ */
+export declare function waitForElement<T extends Element>(selector: string, timeout?: number): Promise<T>;