Themes window now opens to settings/presets tab so it's less confusing
for others.
Can no longer change default presets, you get a warning when you try.
now stores themes in themes folder.
Now clips theme names.
Named INPUT_FLAG_1 to INPUT_FLAG_DROPDOWN_STAY_OPEN
Named INPUT_FLAG_2 to INPUT_FLAG_DROPDOWN_MOUSE_UP
placed RCT2_ADDRESS_INPUT_FLAGS where valid and replaced all bitwise
references to it with appropriate input flags.
Changed ride view dropdown to hold only as it should be.
