Migration: header->expect & impl->actual in IDEA test data

idea/testData/refactoring/safeDeleteMultiModule/byImplVal/before/Common/src/test/test.kt

@@ -1,5 +1,5 @@
 package test
 
-header val foo: Int
+expect val foo: Int
 
 fun test() = foo

idea/testData/refactoring/safeDeleteMultiModule/byImplVal/before/JS/src/test/test.kt

@@ -1,5 +1,5 @@
 package test
 
-impl val <caret>foo get() = 1
+actual val <caret>foo get() = 1
 
 fun test() = foo

idea/testData/refactoring/safeDeleteMultiModule/byImplVal/before/JVM/src/test/test.kt

@@ -1,5 +1,5 @@
 package test
 
-impl val foo get() = 2
+actual val foo get() = 2
 
 fun test() = foo