fix nlprob to match the initialization system #463

Job	Run time
Tests (1, Core) / Tests - Core	4m 57s
Tests (1, Downstream) / Tests - Downstream	5m 16s
Tests (1, Python) / Tests - Python	5m 6s
Tests (1, QA) / Tests - QA	4m 53s
Tests (lts, Core) / Tests - Core	7m 7s
Tests (lts, Downstream) / Tests - Downstream	15m 48s
Tests (lts, Python) / Tests - Python	11m 41s
Tests (lts, QA) / Tests - QA	7m 25s
Tests (pre, Core) / Tests - Core	5m 15s
Tests (pre, Downstream) / Tests - Downstream	5m 3s
Tests (pre, Python) / Tests - Python	4m 59s
Tests (pre, QA) / Tests - QA	4m 58s
	1h 22m 28s

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