Fix base_width and base_height.

No comment.
Use base_width and base_height where appropriate.
Use base_width and base_height where appropriate.
timage::width/height returns scaled and clipped dimensions.

Instead of just scaled.
Fix report images.
Use base_height where appropriate.
Enable local ToD in SDL_gpu builds.
Draw minimap units in SDL_gpu builds.
SDL_gpu support for GUI1 buttons.
Don't recreate buttons for every draw.
Fix minimap column shifting.
SDL_gpu implementation for GUI1 label.
Fix compilation.