Use webpackv5 deterministic module ids in favor of plugin
Use webpackv5 deterministic module ids in favor of plugin

This removes the `HashedModuleIdsPlugin`.
See https://webpack.js.org/configuration/optimization/#optimizationmoduleids.

Refs #424

agdsn/pycroft,agdsn/pycroft,agdsn/pycroft,agdsn/pycroft,agdsn/pycroft