Repro steps:

1) Click file a bug button on a failure
2) Paste a long stack trace from the failure log into description box

Expected:
UI is scrollable and accessible

Actual:
Buttons are completely inaccessible and the dialog has moved to the bottom right of the screen.

See screenshot: https://docs.google.com/drawings/d/1VG0IUpiKiO_LdEdms8zRf79X9PwGXdh7k-WzJZhy0Fw/edit?usp=sharing