Disabling gateway blocks connection until manual restart

[jakub-tldr]

Error:

2026-04-03T08:55:37.926643Z ERROR core_communication: defguard_gateway::gateway: message=Only one client connection is allowed. log.target=defguard_gateway::gateway log.module_path=defguard_gateway::gateway log.file=src/gateway.rs log.line=683

gwbug.mp4