Ultrawide support and bugfixes!

- Added support for more resolutions. Unless you're on some really wack aspect ratio, it should work.

- Made the stirring oar larger and easier to click on.

- Updated the potion display screen to better fit different bottle sizes.

- Fixed a bug where the gems around the rim of the cauldron didn't properly update while filling.

- Fixed bug where potions using the banana bottle didn't display properly.