MapImageDumper: Use world map color blending

[MESLewis]

Use full HSL ground blending to produce map images that closely resemble the in game world map and the official world map by Jagex. Also correct the scaling of sprites and tile shapes to match those sources.

Old color blending:

Jagex world map image:

In game world map:

PR color blending:

[samszotkowski]

Hello, thank you three for getting this merged. I just want to comment a very very small bug regarding sprite placement (which is only halfway even a bug because Jagex's own maps have similar issues):

It appears that certain types of sprites, when they would cross over a horizontal map square boundary, have their northern half drawn on the northern side, then their northern half drawn again on the southern side.

RuneLite (tree cut in half and upper half duplicated):

In game (tree just cut in half, not duplicated):

RuneLite + some extra processing that doesn't affect sprites:

In game minimap, correct location of red dot: