KT-14498: Properly check variance in expanded types.

idea/testData/diagnosticMessage/typeVarianceConflictInTypeAliasExpansion.kt

@@ -0,0 +1,10 @@
+// !DIAGNOSTICS_NUMBER: 1
+// !DIAGNOSTICS: TYPE_VARIANCE_CONFLICT_IN_EXPANDED_TYPE
+// !MESSAGE_TYPE: TEXT
+
+interface InvOut<T1, out T2>
+
+typealias AInvOut<T1, T2> = InvOut<T1, T2>
+typealias AInvOutTT<T> = AInvOut<T, T>
+
+class Test<out S> : AInvOutTT<S>

idea/testData/diagnosticMessage/typeVarianceConflictInTypeAliasExpansion1.txt

@@ -0,0 +1,2 @@
+<!-- typeVarianceConflictInTypeAliasExpansion1 -->
+Type parameter S is declared as 'out' but occurs in 'invariant' position in abbreviated type AInvOutTT<S> /* = InvOut<S, out S> */