Fix path for asserts
Fix path for asserts

The `dark` theme should use the assert from the `dark` theme and not the once from the `default` theme.
andersevenrud/OS.js-v2,Rxswyers/OS.js,andersevenrud/OS.js-v2,andersevenrud/OS.js-v2,Rxswyers/OS.js,Rxswyers/OS.js,andersevenrud/OS.js-v2,andersevenrud/OS.js-v2,Rxswyers/OS.js,Rxswyers/OS.js