[IC] Add tests for sealed classes (KT-45474)

jps/jps-plugin/testData/incremental/pureKotlin/sealedClassesWithExpectActual/A.kt

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+package test
+
+open class A: Base

jps/jps-plugin/testData/incremental/pureKotlin/sealedClassesWithExpectActual/Actual.kt

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+package test
+
+actual class ExpectClass {
+    actual fun doSmth() = ""
+}
+
+expect class ExpectClass2 {
+    fun doSmth(): String
+}

jps/jps-plugin/testData/incremental/pureKotlin/sealedClassesWithExpectActual/Actual2.kt

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+package test
+
+actual class ExpectClass2 {
+    actual fun doSmth() = ""
+}

jps/jps-plugin/testData/incremental/pureKotlin/sealedClassesWithExpectActual/B.kt

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+package test
+
+class B : Base {
+
+}
+
+expect class ExpectClass {
+    fun doSmth(): String
+}

jps/jps-plugin/testData/incremental/pureKotlin/sealedClassesWithExpectActual/Base.kt

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+package test
+
+sealed interface Base

jps/jps-plugin/testData/incremental/pureKotlin/sealedClassesWithExpectActual/C.kt.new

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+package test
+
+class C : A()

jps/jps-plugin/testData/incremental/pureKotlin/sealedClassesWithExpectActual/Unrelated.kt

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+package test
+
+class Unrelated {}

jps/jps-plugin/testData/incremental/pureKotlin/sealedClassesWithExpectActual/args.txt

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+-XXLanguage:+FreedomForSealedClasses -XXLanguage:+SealedInterfaces -Xmulti-platform

jps/jps-plugin/testData/incremental/pureKotlin/sealedClassesWithExpectActual/build.log

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+================ Step #1 =================
+
+Compiling files:
+  src/C.kt
+End of files
+Marked as dirty by Kotlin:
+  src/Actual.kt
+  src/B.kt
+  src/Base.kt
+  src/C.kt
+Exit code: ADDITIONAL_PASS_REQUIRED
+------------------------------------------
+Cleaning output files:
+  out/production/module/META-INF/module.kotlin_module
+  out/production/module/test/Actual.class
+  out/production/module/test/B.class
+  out/production/module/test/Base.class
+  out/production/module/test/C.class
+End of files
+Compiling files:
+  src/Actual.kt
+  src/Actual2.kt
+  src/Base.kt
+  src/A.kt
+  src/B.kt
+  src/C.kt
+End of files
+Exit code: OK
+------------------------------------------