Add a conditional check for the world context if the block entity disappears

Fix issues with missing namespace for share value on lithium mixin

Another update to fix issues with lithium compat due to remapping issues

Fixes:

• Fix crashing due to recent changes in lithium mixin used to add compat
• Fix Slab models clipping when they shouldn't

Rework code to fix issues with Lithium compatibility and adjust mixins to prevent future issues