fix type

packages/frontend/src/os.ts

@@ -546,7 +546,7 @@ export async function openEmojiPicker(src?: HTMLElement, opts, initialTextarea:
 	});
 }
 
-export function popupMenu(items: MenuItem[] | Ref<MenuItem[]>, src?: HTMLElement | null, options?: {
+export function popupMenu(items: MenuItem[] | Ref<MenuItem[]>, src?: HTMLElement | EventTarget | null, options?: {
 	align?: string;
 	width?: number;
 	viaKeyboard?: boolean;