Customers should be able to select their preferred workspace class

[Furisto]

Is your feature request related to a problem? Please describe

Support #8261

Describe the behaviour you'd like

As a user of Gitpod, I would like to select the workspace class that is used for regular and prebuild workspaces.

Describe alternatives you've considered

n.a.

Additional context

Affected components:

• Dashboard
• gitpod-protocol
• gitpod-db
• ws-manager-api
• server

[kylos101]

@Furisto this issue is still open, but the status is awaiting deployment. 🤔

Is there a PR that can be linked to this issue? 🙏

I ask because I'm sanitizing our Awaiting Deployment column. 🧹