Handle constructor usage for actual class as usage of expect class

#KT-25498 Fixed

idea/testData/multiModuleFindUsages/findActualInterface/common/common.kt

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+expect interface I
+expect class C : I

idea/testData/multiModuleFindUsages/findActualInterface/jvm/jvm.kt

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+// PSI_ELEMENT: org.jetbrains.kotlin.psi.KtClass
+// OPTIONS: usages, expected
+
+actual interface <caret>I
+actual class C : I

idea/testData/multiModuleFindUsages/findActualInterface/jvm/jvm.results.txt

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+[common.kt] Supertype 2 expect class C : I
+[jvm.kt] Supertype 5 actual class C : I

idea/testData/multiModuleFindUsages/findCommonSuperclass/common/common.kt

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+// PSI_ELEMENT: org.jetbrains.kotlin.psi.KtClass
+// OPTIONS: usages, expected
+
+expect open class O<caret>Class(i: Int)
+expect class Inheritor : OClass

idea/testData/multiModuleFindUsages/findCommonSuperclass/common/common.results.txt

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+[common.kt] Supertype 5 expect class Inheritor : OClass
+[jvm.kt] Supertype 2 actual class Inheritor : OClass(42)

idea/testData/multiModuleFindUsages/findCommonSuperclass/jvm/jvm.kt

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+actual open class OClass actual constructor(i: Int)
+actual class Inheritor : OClass(42)