Here is a very simple and unobtrusive tweak that will completely save your player from any damage when hitting the wall when flying to the Elytra, as well as significantly reduce the speed of the fall in such a situation.
How to install Happy Landings Mod
- Download and install Minecraft Forge
- Download mod
- Do not unzip it, copy to C:\Users\User_Name\AppData\ Roaming\.minecraft\mods