switch ArrayInterfaceCore to ArrayInterface in some places #505

Job	Run time
Tests (1, Core) / Tests - Core	14m 38s
Tests (1, Downstream) / Tests - Downstream	45m 6s
Tests (1, Python) / Tests - Python	18m 13s
Tests (1, QA) / Tests - QA	11m 47s
Tests (lts, Core) / Tests - Core	8m 55s
Tests (lts, Downstream) / Tests - Downstream	28m 53s
Tests (lts, Python) / Tests - Python	9m 7s
Tests (lts, QA) / Tests - QA	8m 30s
Tests (pre, Core) / Tests - Core	14m 30s
Tests (pre, Downstream) / Tests - Downstream	44m 41s
Tests (pre, Python) / Tests - Python	17m 57s
Tests (pre, QA) / Tests - QA	11m 49s
	3h 54m 6s

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