fix: various asm-crashing exploits

fix: Improve detection of red-herring junk data masquarading as class…

…es due to conflicting zip file entries

fix: More asm-crasher patch support

fix: Saving a method multiple times causes annotations to duplicate

Satisfy checkstyle

Add missing build plugin version

Bump version -> 2.18.2

Remove test for removed debugging logic

Update ASM and FernFlower versions

Remove extra null check, not technically needed