Custom dashboard chart shrinked

Summary

Custom dashboard charts trimmed

Steps to reproduce

Create a custom dashboard and view charts

Example Project

https://gitlab.com/dhershkovitch/dov-nodejs-test/-/environments/1171169/metrics?dashboard=.gitlab%2Fdashboards%2Fmy_dashboard.yml&start=2019-12-22T10%3A38%3A12.000Z&end=2019-12-25T10%3A38%3A12.000Z

What is the current bug behavior?

Charts are trimmed

Relevant logs and/or screenshots

Output of checks

This bug happens on GitLab.com