Fixed torch paste rotation
Fixed sign text clearing on `//move`
Fixed MemoryOptimizedClipboard not allowing existing values being changed to air
Fixed smooth brush iteration limit
Fixed invalid sign check for pasting (workaround for WorldEdit bug)
Added optional clipboard on disk
- Anything in the clipboard will not use any memory
- Clipboard can be loaded after a restart or crash
Added lazy copying (doesn't copy until the blocks are needed)
Optimized `/set` for cuboid region with fast mode enabled