Glitchy scrolling on mobile; ScrollContainer in parent and in child

[shafnaz]

Godot version

3.3.4

System information

Android J7 Prime Android 6.0.1

Issue description

Hi guys,

There is a glitchy movement when you have a ScrollContainer parent and a child ScrollContainer.
The parent scrolls vertical, and the child scrolls horizontally.
Running on the computer shows no problems, but on mobile, it jumps a lot. Check out the .tscn attached.

Steps to reproduce

Load the .tscn which contains the setup.
Deploy it on your android phone.

Minimal reproduction project

scroll_test.zip

[FurDice]

I experience this same issue but with different node structure.
It only happens on real android device.
Tested on Pixel 3a, Pixel 3a XL, GalaxyNote 8