CreateExpectActualFix: fix package for files with root package from non-root directory

#KT-28746 Fixed

idea/src/org/jetbrains/kotlin/idea/quickfix/expectactual/AbstractCreateDeclarationFix.kt

@@ -68,7 +68,7 @@ abstract class AbstractCreateDeclarationFix<D : KtNamedDeclaration>(
                     val packageDirective = originalFile.packageDirective
                     if (packageDirective != null) {
                         val oldPackageDirective = targetFile.packageDirective
-                        val newPackageDirective = factory.createPackageDirective(packageDirective.fqName)
+                        val newPackageDirective = packageDirective.copy() as KtPackageDirective
                         if (oldPackageDirective != null) {
                             oldPackageDirective.replace(newPackageDirective)
                         } else {

idea/testData/multiModuleQuickFix/createActualWithRootPackage/common/path/My.kt

@@ -0,0 +1,4 @@
+// "Create actual class for module testModule_JVM (JVM)" "true"
+// DISABLE-ERRORS
+
+expect class <caret>My

idea/testData/multiModuleQuickFix/createActualWithRootPackage/common/path/My.kt.after

@@ -0,0 +1,4 @@
+// "Create actual class for module testModule_JVM (JVM)" "true"
+// DISABLE-ERRORS
+
+expect class My

idea/testData/multiModuleQuickFix/createActualWithRootPackage/jvm/path/My.kt.after

@@ -0,0 +1 @@
+actual class My

idea/testData/multiModuleQuickFix/createExpectWithRootPackage/common/path/My.kt.after.kt

@@ -0,0 +1 @@
+expect class `My.kt.after`

idea/testData/multiModuleQuickFix/createExpectWithRootPackage/jvm/path/My.kt

@@ -0,0 +1,4 @@
+// "Create expected class in common module testModule_Common" "true"
+// DISABLE-ERRORS
+
+actual class <caret>My

idea/testData/multiModuleQuickFix/createExpectWithRootPackage/jvm/path/My.kt.after

@@ -0,0 +1,4 @@
+// "Create expected class in common module testModule_Common" "true"
+// DISABLE-ERRORS
+
+actual class My

idea/tests/org/jetbrains/kotlin/idea/quickfix/QuickFixMultiModuleTestGenerated.java

@@ -204,6 +204,11 @@ public class QuickFixMultiModuleTestGenerated extends AbstractQuickFixMultiModul
         runTest("idea/testData/multiModuleQuickFix/convertPropertyToFunction/");
     }
 
+    @TestMetadata("createActualWithRootPackage")
+    public void testCreateActualWithRootPackage() throws Exception {
+        runTest("idea/testData/multiModuleQuickFix/createActualWithRootPackage/");
+    }
+
     @TestMetadata("createClassFromUsageImport")
     public void testCreateClassFromUsageImport() throws Exception {
         runTest("idea/testData/multiModuleQuickFix/createClassFromUsageImport/");
@@ -214,6 +219,11 @@ public class QuickFixMultiModuleTestGenerated extends AbstractQuickFixMultiModul
         runTest("idea/testData/multiModuleQuickFix/createClassFromUsageRef/");
     }
 
+    @TestMetadata("createExpectWithRootPackage")
+    public void testCreateExpectWithRootPackage() throws Exception {
+        runTest("idea/testData/multiModuleQuickFix/createExpectWithRootPackage/");
+    }
+
     @TestMetadata("createFunInExpectClass")
     public void testCreateFunInExpectClass() throws Exception {
         runTest("idea/testData/multiModuleQuickFix/createFunInExpectClass/");