Removes the previous method and condenses the menu entries back into one.
- Translations have been updated except for German, German will need to update the translation for "Save Preview As..." since the name hasn't changed.
Adds FFSAVE_IMAGE to the filepicker enums
Crossplatformity:
- The Windows version works nicely
- The Linux version may not work or even compile but it should..
- The Mac version hasn't been added, instead it will default to accept any(all filter), should the provided file extension be invalid a notification will display.
