portal is the answer I was looking for

src/routes/(editor).tsx

@@ -1,17 +1,20 @@
 import { Title } from "@solidjs/meta";
+import { JSX, createSignal } from "solid-js";
 import { FilesProvider } from "~/features/file";
-import { MenuRoot, MenuProvider } from "~/features/menu";
+import { MenuProvider, Menu } from "~/features/menu";
 
 
 export default function Editor(props) {
-    return <MenuProvider>
-        <nav>
-            <Title>Translation-Tool</Title>
+    const [ref, setRef] = createSignal<JSX.Element>();
+
+    return <MenuProvider root={ref()}>
+        <Title>Translation-Tool</Title>
+
+        <nav ref={setRef}>
             <a href="/">Index</a>
             <a href="/about">About</a>
-            <MenuRoot />
         </nav>
-
+        
         <main>
             <FilesProvider>
                 {props.children}