Convert roles from human readable to snake case to unify values

[flopez7]

Issue tracking

#3019

Context behind the change

Unify the KVStore values for the key role to be snake_case

How has this been tested?

• Launched tests
• Deployed locally dashboard, dashboard server and staking dasboard for some tests.

Release plan

• Deploy new SDK version
• Deploy dashboard server
• Deploy dashboard client
• Deploy staking dashboard
• Update all oracles roles stored in KVStore

Potential risks; What to monitor; Check if roles are being displayed properly.

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
human-app	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 4, 2025 2:35pm
human-dashboard-frontend	❌ Failed (Inspect)			Feb 4, 2025 2:35pm
staking-dashboard	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 4, 2025 2:35pm

2 Skipped Deployments

Name	Status	Preview	Comments	Updated (UTC)
faucet-frontend	⬜️ Ignored (Inspect)	Visit Preview		Feb 4, 2025 2:35pm
faucet-server	⬜️ Ignored (Inspect)	Visit Preview		Feb 4, 2025 2:35pm