StreamLogger errors when there are 0 gRPC observers about aurae

[moto-timo]

Examples with latest tip of deno branch:

20:19:36 [INFO] Starting Aurae Daemon Runtime...
Failed to log message. Error: SendError(LogItem { channel: "rust-logs", line: "INFO:auraed -- Starting Aurae Daemon Runtime...", timestamp: 0 })
20:19:36 [INFO] Register Server SSL Identity
Failed to log message. Error: SendError(LogItem { channel: "rust-logs", line: "INFO:auraed -- Register Server SSL Identity", timestamp: 0 })
20:19:36 [INFO] Validating SSL Identity and Root Certificate Authority (CA)
Failed to log message. Error: SendError(LogItem { channel: "rust-logs", line: "INFO:auraed -- Validating SSL Identity and Root Certificate Authority (CA)", timestamp: 0 })
20:19:36 [INFO] User Access Socket Created: /var/run/aurae/aurae.sock
Failed to log message. Error: SendError(LogItem { channel: "rust-logs", line: "INFO:auraed -- User Access Socket Created: /var/run/aurae/aurae.sock", timestamp: 0 })
20:19:36 [INFO] Database Location:  /var/lib/aurae.db
Failed to log message. Error: SendError(LogItem { channel: "rust-logs", line: "INFO:auraed -- Database Location:  /var/lib/aurae.db", timestamp: 0 })
20:19:36 [INFO] Unlocking SQLite Database with Key: "/etc/aurae/pki/server.key"
Failed to log message. Error: SendError(LogItem { channel: "rust-logs", line: "INFO:auraed -- Unlocking SQLite Database with Key: \"/etc/aurae/pki/server.key\"", timestamp: 0 })
20:19:36 [INFO] Initializing: SQLite: ExecResult { result: SqlxSqlite(SqliteQueryResult { changes: 0, last_insert_rowid: 0 }) }
Failed to log message. Error: SendError(LogItem { channel: "rust-logs", line: "INFO:auraed -- Initializing: SQLite: ExecResult { result: SqlxSqlite(SqliteQueryResult { changes: 0, last_insert_rowid: 0 }) }", timestamp: 0 })