Don't try to send space available when loading from a configuration

Server is not always installed when this function is called, this will cause errors in those cases.

server/server.go

@@ -247,10 +247,6 @@ func FromConfiguration(data *api.ServerConfigurationResponse) (*Server, error) {
 	}
 	s.Resources = ResourceUsage{}
 
-	// Force the disk usage to become cached to return in a resources response
-	// or when connecting to the websocket of an offline server.
-	go s.Filesystem.HasSpaceAvailable()
-
 	// Forces the configuration to be synced with the panel.
 	if err := s.SyncWithConfiguration(data); err != nil {
 		return nil, err