(Mario Kart Wii) certain non-looped chr0 files have a extra frame that is shown only in brawlbox 0.73b which it breaks when saved with BrawlCrate

Describe the bug Several non-looping chr0 files from Mario Kart Wii have a extra frame which it only shows up in Brawlbox 0.73b and its earlier versions, this also applies to BerryBush.

To Reproduce Steps to reproduce the behavior:

1. Open up a non-looping chr0 file from Mario Kart Wii with BrawlCrate (ex: jump_ed.chr0)
2. Edit any keyframe in BrawlCrate and save it
3. Preview a model tied to the chr0 animation with Brawlbox 0.73b and then load the modified .chr0 animation saved with BrawlCrate,
4. Go to the end of the frame to see the broken animation

Screenshots Brawlbox 0.73b Screencaps of the 22nd frame of LDF bike version of jump_ed.chr0 from Donkey Kong in Mario Kart Wii Original:

Edited and saved with BrawlCrate:

Desktop (please complete the following information):

• OS: Windows 11
• Version BrawlCrate Canary #17f12c58743af5a185da6b0f806025eeadb42f37