fix: dark mode not working in editors (#1773)

packages/snjs/mocha/lib/Applications.js

@@ -2,6 +2,10 @@ import WebDeviceInterface from './web_device_interface.js'
 import FakeWebCrypto from './fake_web_crypto.js'
 import * as Defaults from './Defaults.js'
 
+export const BaseItemCounts = {
+  DefaultItems: ['ItemsKey', 'UserPreferences', 'DarkTheme'].length,
+}
+
 export function createApplicationWithOptions({ identifier, environment, platform, host, crypto, device }) {
   if (!device) {
     device = new WebDeviceInterface()