Spaces in identifiers (server group)

[GiantTreeLP]

Description of the bug:

When entering names of server groups or in other similar setups, spaces around and in the input are allowed.
This can cause subsequent commands to not work anymore.

Steps to reproduce this bug:

Steps to reproduce the behavior:

1. Create a new server group using third-party tools.
2. Enter "<space>servergroup" with the <space> being the space character.
3. Try to do something with that group using the master console.

Expected behavior:

The console should allow a user to address server groups with spaces in them at any position.

Screenshots:

None

Environment and used hardware:

N/A

Additional context (optional):

Confirmed with "The-Systems" web interface for CloudNet.

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