Release v3.5-dev-5349-g273e7c72a

Windows:  allow "Enable nice graphics" to use the full gamut of tile …

…multipliers available in the menu; helps with https://github.com/angband/angband/issues/5500 (for some fonts will now choose a multiplier that allows the tiles to be displayed at their native resolution); also try to do more in the case of "Enable nice graphics" to preserve the aspect ratio of the tile if the tile is smaller than the font in one or more dimensions