feat: 2D bitmoji back

[radical4ever]

Description

Hi, so the feature is pretty self explanatory, an option to get back the 2d bitmojis for the whole snapchat, because 3d ones are kinda ugly

Agreement

• [X] There is no issue already suggesting my feature.

[rhunk]

added in https://github.com/rhunk/SnapEnhance/commit/3ba4e573adf9e775816b9b115fd966f5a1ff6377