fix nlprob to match the initialization system #457

Job	Run time
Tests (1, Python) / Tests - Python	18m 30s
Tests (1, Downstream) / Tests - Downstream	36m 3s
Tests (1, Core) / Tests - Core	9m 45s
Tests (1, QA) / Tests - QA	9m 1s
Tests (lts, Core) / Tests - Core	9m 32s
Tests (lts, Downstream) / Tests - Downstream	28m 55s
Tests (lts, Python) / Tests - Python	10m 54s
Tests (lts, QA) / Tests - QA	6m 54s
Tests (pre, Core) / Tests - Core	9m 58s
Tests (pre, Downstream) / Tests - Downstream	33m 0s
Tests (pre, Python) / Tests - Python	18m 41s
Tests (pre, QA) / Tests - QA	6m 46s
	3h 17m 59s

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