feat: create initialization systems for all problem types #953

Job	Run time
Tests (1, Downstream) / Tests - Downstream	14m 29s
Tests (1, Extended) / Tests - Extended	13m 23s
Tests (1, Extensions) / Tests - Extensions	20m 35s
Tests (1, Initialization) / Tests - Initialization	22m 45s
Tests (1, InterfaceI) / Tests - InterfaceI	31m 13s
Tests (1, InterfaceII) / Tests - InterfaceII	23m 46s
Tests (1, RegressionI) / Tests - RegressionI	9m 29s
Tests (1, SymbolicIndexingInterface) / Tests - SymbolicIndexingInterface	13m 11s
Tests (lts, Downstream) / Tests - Downstream	10m 58s
Tests (lts, Extended) / Tests - Extended	9m 56s
Tests (lts, Extensions) / Tests - Extensions	21m 21s
Tests (lts, Initialization) / Tests - Initialization	17m 51s
Tests (lts, InterfaceI) / Tests - InterfaceI	24m 13s
Tests (lts, InterfaceII) / Tests - InterfaceII	17m 53s
Tests (lts, RegressionI) / Tests - RegressionI	10m 19s
Tests (pre, Downstream) / Tests - Downstream	14m 21s
Tests (lts, SymbolicIndexingInterface) / Tests - SymbolicIndexingInterface	10m 33s
Tests (pre, Extended) / Tests - Extended	12m 27s
Tests (pre, Extensions) / Tests - Extensions	27m 35s
Tests (pre, Initialization) / Tests - Initialization	22m 50s
Tests (pre, InterfaceI) / Tests - InterfaceI	30m 49s
Tests (pre, InterfaceII) / Tests - InterfaceII	23m 20s
Tests (pre, RegressionI) / Tests - RegressionI	9m 24s
Tests (pre, SymbolicIndexingInterface) / Tests - SymbolicIndexingInterface	13m 18s
	7h 5m 59s

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