fix: set metrics correctly (#2339)

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## Overview

closes #2338 

this pr fixes metrics config setting, previously we were always setting
metrics to false via the default settings


<!-- This is an auto-generated comment: release notes by coderabbit.ai
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## Summary by CodeRabbit

- **Refactor**
- Updated metrics initialization to use the instrumentation settings
from the node configuration instead of a fixed default. This allows for
more flexible and configurable metrics setup.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Co-authored-by: tac0turtle <you@example.com>

Author: tac0turtle

pkg/cmd/run_node.go

@@ -117,7 +117,7 @@ func StartNode(
 		return fmt.Errorf("unknown remote signer type: %s", nodeConfig.Signer.SignerType)
 	}
 
-	metrics := node.DefaultMetricsProvider(rollconf.DefaultInstrumentationConfig())
+	metrics := node.DefaultMetricsProvider(nodeConfig.Instrumentation)
 
 	genesisPath := filepath.Join(filepath.Dir(nodeConfig.ConfigPath()), "genesis.json")
 	genesis, err := genesispkg.LoadGenesis(genesisPath)