Saving tiles that go outside the canvas causes editor to crash.

[Synkgg]

Description
When adding tiles to a scene if a tile goes past the border of the canvas when saving the project it causes the editor to crash and breaks that project.

Prerequisites
A valid version of Scion2D that supports creating tiles

To Reproduce
Steps to reproduce the behavior:

1. Load a scene
2. Get a tile set and select a bunch of tiles from the tile set
3. Start filling in the canvas
4. When placing the tiles it will cause them to go past the canvas borders
5. Save Project

Expected behavior
When placing the tiles the excess will get cut off and saving will work as normal.

Actual behavior
Tiles stay and don't get cut off and saving the project crashes the engine.

Screenshots

[dwjclark11]

Currently unable to reproduce with the given steps.