Rename: Fix rename of ambiguous import reference to class/function when some referenced declarations are not changed

#KT-6663 Fixed
(cherry picked from commit 9ba8ecd)

idea/testData/refactoring/rename/ambiguousClassFunImportRenameClass/after/lib/lib.kt

@@ -0,0 +1,5 @@
+package lib
+
+class Foo2
+
+fun Foo(p: Int): Foo2 = Foo2()

idea/testData/refactoring/rename/ambiguousClassFunImportRenameClass/after/usage/usage.kt

@@ -0,0 +1,9 @@
+package usage
+
+import lib.Foo
+import lib.Foo2
+
+fun test() {
+    val v: Foo2 = Foo(1)
+}
+