New IC: Add tests for constants-in-companion-objects impact computation

^KT-53266 Fixed

compiler/incremental-compilation-impl/testData/org/jetbrains/kotlin/incremental/classpathDiff/ClasspathChangesComputerTest/KotlinOnly/testImpactComputation_ConstantsInCompanionObjects/src/current-classpath/com/example/SomeClass.kt

@@ -0,0 +1,9 @@
+package com.example
+
+class SomeClass {
+
+    companion object CompanionObject {
+        const val constantChangedValue: Int = 1000
+        const val constantUnchanged: Int = 0
+    }
+}

compiler/incremental-compilation-impl/testData/org/jetbrains/kotlin/incremental/classpathDiff/ClasspathChangesComputerTest/KotlinOnly/testImpactComputation_ConstantsInCompanionObjects/src/previous-classpath/com/example/SomeClass.kt

@@ -0,0 +1,9 @@
+package com.example
+
+class SomeClass {
+
+    companion object CompanionObject {
+        const val constantChangedValue: Int = 0
+        const val constantUnchanged: Int = 0
+    }
+}