More Sounds: JEI Compatibility Fix

More Sounds: JEI compatibility fix

Fixes a crash due to More Sounds failing to apply its mixin on newer JEI versions.
Since More Sounds handles JEI compatibility via mixin it is susceptible to JEI changing its internals.

This mod cancels More Sounds's JEICompat Pseudo Mixin via MixinSquared whenever the inventory is opened
and uses a JEIPlugin instead for JEI Compatibility, removing such susceptibility to JEI's internal updates.

This mod is meant as a temporary fix until this pull request is finally merged into More Sounds itself.