Merge pull request #493 from onflow/gregor/metric-fix

Bugfix metric balance initialization

metrics/collector.go

@@ -91,6 +91,7 @@ func NewCollector(logger zerolog.Logger) Collector {
 		evmBlockHeight:            evmBlockHeight,
 		evmAccountCallCounters:    evmAccountCallCounters,
 		requestDurations:          requestDurations,
+		operatorBalance:           operatorBalance,
 	}
 }