Issue Summary

When typing in a card description that has more than 80 lines in it, the typing cursor starts to lose focus, shifting up and down.
This is reproducible on Data Center: Yes

Steps to Reproduce

1. Create a description that has more than 80 lines in a card
2. start typing below those lines

Expected Results

The cursor follows the path and the experience is not affected.

Actual Results

The cursor shifts up and down, losing focus of what's being written.

Workaround

Currently, the best workaround would be creating a separate card.