Changes

Fix for Schematic flip_x/y/z commands (#2353)

* Fix for schematic flip_x/y/z command to fix origin off by one, and properly handle flipping block/entity data as needed

* Cleanup import statement to match other imports
Cleanup unnecessary return on flipX

* Added missing case for flipping face of straight stair blocks

* Cleanup formatting

* Rework FlipEntitiesX/Z into single method
Fix FlipEntities referencing new EntityTag
 (commit: 050403f)