ExtraElytra engagement issues

[Nexinity7]

Pre-reporting checklist

• [x] I have searched existing issues and didn't find any previous reports of this bug.
• [x] This bug still happens in the latest version of Wurst. I've made sure my installation is up to date.
• [x] I have tried removing all other mods and the bug still happens.

Description

ExtraElytra is disengaging mid flight very often. I'm also having trouble getting it to engage, as it gets stuck between loops of flight and standing on many occasions.

Repro steps

1. Get Elytra
2. Enable hack with speed, height control, and instant fly
3. Go fly

Wurst Client version

7.51.2

Minecraft version

1.21.10

Crash report (if applicable)