Google Cloud Monitoring: Provide the same builder UX that GCM console

<!-- Please use this template to create your bug report. By providing as much info as possible you help us understand the issue, reproduce it and resolve it for you quicker. Therefore take a couple of extra minutes to make sure you have provided all info needed. PROTIP: record your screen and attach it as a gif to showcase the issue. • Questions should be posted to: • Use query inspector to troubleshoot issues: • How to record and attach gif: --> What happened: There are multiple differences between the UX in Grafana (which is a bit behind) and GCM portal console. To avoid confussion, we should make those closer: - When using labels, rather than showing the whole label id, we should just use the name at the end: :…