chore: merge chain and nodeInfo queries into one

[nedsalk]

• Part of Review and optimize GQL operations #3281

Summary

This PR adds a new getChainAndNodeInfo query which returns the chain and nodeInfo data in one request, as opposed to the way we've been doing up until now where we've been sending them separately.

Checklist

• All changes are covered by tests (or not applicable)
• All changes are documented (or not applicable)
• I reviewed the entire PR myself (preferably, on GH UI)
• I described all Breaking Changes (or there's none)

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[codspeed-hq]

CodSpeed Performance Report

Merging #3284 will not alter performance

_{Comparing ns/chore/merge-chain-and-node-info-query (4b51908) with master (c84abb3)}

Summary

✅ 18 untouched benchmarks

[github-actions]

Coverage Report:

Lines	Branches	Functions	Statements
76.18%(-0.1%)	70.27%(-0.02%)	75.11%(-0.15%)	76.31%(-0.09%)

Changed Files:

Ok	File (✨=New File)	Lines	Branches	Functions	Statements
🔴	packages/account/src/providers/provider.ts	69.66% (-1.7%)	63.81% (-0.36%)	71.73% (-2.18%)	69.35% (-1.64%)
🔴	packages/account/src/providers/generated/operations.ts	95.07% (-0.64%)	100% (+0%)	84.78% (-1.88%)	95.48% (-0.59%)