mini swing sprites are reversed (down = up, up = down)

[Rubiidev-IPad]

Describe the bug
title.

How to reproduce

1. make a test level with mini swing
2. flip directions with clicking
3. see that the swing sprite is going the wrong way from its gravity

Screenshots e/o videos
see 0:58 of https://youtube.com/watch?v=hRK3T4I-RIY for a clearer example.

Emulator(please complete the following information):

• Device: [e.g. PC, Phone]: use in video is on pc
• Emulator [e.g. RetroArch, Mesen]: i think it's mesen in the video
• Core [ONLY if you use RetroArch]: