fix(node_manager): lowercase owner for discord #9533

Job	Run time
Unused dependency check	7m 10s
various checks	13m 38s
lint	22s
Unit Tests (ubuntu-latest)	8m 19s
Unit Tests (windows-latest)	14m 43s
Network churning tests (ubuntu-latest, /home/runner/.local/share/safe/node, /home/runner/.local/s...	13m 25s
Unit Tests (macos-latest)	8m 45s
E2E tests (ubuntu-latest, /home/runner/.local/share/safe)	9m 51s
Network churning tests (windows-latest, C:\\Users\\runneradmin\\AppData\\Roaming\\safe\\node, C:\...	23m 32s
E2E tests (windows-latest, C:\\Users\\runneradmin\\AppData\\Roaming\\safe)	18m 55s
Network churning tests (macos-latest, /Users/runner/Library/Application Support/safe/node, /Users...	13m 3s
token distribution test (ubuntu-latest)	14m 8s
E2E tests (macos-latest, /Users/runner/Library/Application Support/safe)	8m 49s
spend tests against network (ubuntu-latest)	12m 57s
token distribution test (windows-latest)	26m 20s
spend tests against network (windows-latest)	21m 52s
Faucet test	10m 0s
token distribution test (macos-latest)	13m 10s
spend tests against network (macos-latest)	13m 28s
Large file upload	10m 4s
Replication bench with heavy upload	17m 1s
Verify data location and Routing Table (ubuntu-latest, /home/runner/.local/share/safe/node, /home...	14m 56s
Verify data location and Routing Table (windows-latest, C:\\Users\\runneradmin\\AppData\\Roaming\...	24m 30s
Verify data location and Routing Table (macos-latest, /Users/runner/Library/Application Support/s...	13m 6s
	5h 32m 4s

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