Bug description
The mod Origins: Vampire uses identity to give the player the ability to turn into a bat, however, players are not able to fly in bat form. This is on a modpack, but no helpful logs were generated. Flying is enabled server-side.

Mod version: 2.6.1-1.19.1
Origins: Vampire version: 2.1.0
Fabric version: 0.14.25
Minecraft version: 1.19.2

Video
The following video shows a player (me) morphing into a bat and then attempting to fly. Instead, I am only able to walk and jump the regular height a player can.