#2654 add custom tiling option

[the-database]

Adds a custom option to the tile size dropdown to allow entering any tile size.

[the-database]

Working on the pyright errors. EDIT: resolved.

[joeyballentine]

Thanks for this! Just one minor nit

[joeyballentine]

I think you just need to make it so the check is TileSize(custom_tile_size) if tile_size == CUSTOM and custom_tile_size is not None else tile_size,

[the-database]

I think you just need to make it so the check is TileSize(custom_tile_size) if tile_size == CUSTOM and custom_tile_size is not None else tile_size,

Done, thanks!

[joeyballentine]

Thanks again. I very much appreciate the contributions