Rename identifier "$" to "cabinet" in cabinet.js
Rename identifier "$" to "cabinet" in cabinet.js

Very short identifier names usually make the code harder to read and
potentially less maintainable.

Fixes two ESLint id-length errors using airbnb/legacy config.

Suggested-by: avail <255e5614f0427004f895501d6ee261e7f0448d05@pomf.se>

alucard0134/Pomf,ewhal/gpomf,alucard0134/Pomf,pomf/pomf-php,alucard0134/Pomf,pomf/pomf,pomf/pomf