Current behavior: 
Project metadata such as Clients, Domains, Subdomains and else cannot be filtered. 

Available workaround:
Use Ctrl+F in the browser to quickly find the desired client, domain or else. 

Requested behavior:
Add filters to project metadata such as Clients, Domains, Subdomains...

Use case:
This would make it possible to display a group of metadata containing specific characters in their name.