convert eyepatches and masks from headAccessory to eyewear - fixes https://github.com/HabitRPG/habitrpg/issues/3645

@lefnire, this requires `grunt full`

- adds new eyewear gear type
- renames headAccessory_* images to eyewear_* images (for eyepatches and wondercon masks only)
- changes keys in locales en file (for eyepatches and wondercon masks only)
- adds code to force Orb of Rebirth to deequip eyepatches (and headAccessories, etc) - fixes https://github.com/HabitRPG/habitrpg/issues/3377

Goes with PR https://github.com/HabitRPG/habitrpg/pull/3955