Move: Add import for top-level declarations moved to the default package

#KT-22661 Fixed

idea/testData/refactoring/move/kotlin/moveTopLevelDeclarations/misc/moveClassFromDefaultPackage/after/a/X.kt

@@ -1,5 +1,7 @@
 package a
 
+import Y
+
 class X: Y() {
     fun main() {
         Y().foo()

idea/testData/refactoring/move/kotlin/moveTopLevelDeclarations/misc/moveClassToDefaultPackage/after/a/main.kt

@@ -1,5 +1,7 @@
 package a
 
-class Y {
+import X
+
+class Y(x: X) {
 
 }

idea/testData/refactoring/move/kotlin/moveTopLevelDeclarations/misc/moveClassToDefaultPackage/before/a/main.kt

@@ -4,6 +4,6 @@ class <caret>X {
 
 }
 
-class Y {
+class Y(x: X) {
 
 }