Get native theme through IPC not remote

ts/context/index.ts

@@ -2,7 +2,14 @@
 // SPDX-License-Identifier: AGPL-3.0-only
 
 import { Bytes } from './Bytes';
+import { NativeThemeListener, MinimalIPC } from './NativeThemeListener';
 
 export class Context {
   public readonly bytes = new Bytes();
+
+  public readonly nativeThemeListener;
+
+  constructor(ipc: MinimalIPC) {
+    this.nativeThemeListener = new NativeThemeListener(ipc, window);
+  }
 }