Logger filter lookup overlay should scroll when filter too long

[jspenguin2017]

Prerequisites

• I verified that this is not a filter issue
  • Filter issues MUST be reported at filter issue tracker
• This is not a support issue or a question
  • Support issues and questions are handled at /r/uBlockOrigin
• I performed a cursory search of the issue tracker to avoid opening a duplicate issue
  • Your issue may already be reported.
• I tried to reproduce the issue when...
  • uBlock Origin is the only extension
  • uBlock Origin with default lists/settings
  • using a new, unmodified browser profile
• I am running the latest version of uBlock Origin
• I checked the documentation to understand that the issue I report is not a normal behavior

Description

Logger lookup overlay should scroll when the filter is too long.

A specific URL where the issue occurs

http://baskino.me/

Steps to Reproduce

1. Enable Russian regional filter
2. Open the Logger
3. Enter the URL above
4. Click on the CSP rule

Expected behavior:

The overlay should scroll when it does not fit in the screen

Actual behavior:

The overlay does not scroll

Your environment

• uBlock Origin version: 1.16.18
• Browser Name and version: Chrome 71
• Operating System and version: Win 10