Downgrade xterm dep as a bandaid fix for status dashboard build

[cindyorangis]

Issue This PR Addresses

Fixes #3720

Type of Change

• Bugfix: Change which fixes an issue
• New Feature: Change which adds functionality
• Documentation Update: Change which improves documentation
• UI: Change which improves UI

Description

So the upgrade of xterm v5 dependencies in #3718 broke our build log page in the dashboard. Downgrading it back to v4 should fix the issue.

Steps to test the PR

Checklist

• Quality: This PR builds and passes our npm test and works locally
• Tests: This PR includes thorough tests or an explanation of why it does not
• Screenshots: This PR includes screenshots or GIFs of the changes made or an explanation of why it does not (if applicable)
• Documentation: This PR includes updated/added documentation to user exposed functionality or configuration variables are added/changed or an explanation of why it does not(if applicable)

[gitpod-io]