Corrected implementation of DeclarationDescriptor.canBeReferencedViaImport() to include object members

idea/ide-common/src/org/jetbrains/kotlin/idea/util/ImportsUtils.kt

@@ -47,7 +47,7 @@ public fun DeclarationDescriptor.canBeReferencedViaImport(): Boolean {
     return when (this) {
         is ConstructorDescriptor -> !parentClass.isInner() // inner class constructors can't be referenced via import
         is ClassDescriptor -> true
-        else -> false
+        else -> parentClass.kind == ClassKind.OBJECT
     }
 }
 

idea/testData/copyPaste/imports/ClassObjectFunInsideClass.expected.kt

@@ -1,6 +1,7 @@
-// ERROR: Unresolved reference: f
 package to
 
+import a.A
+
 fun g() {
-    f()
+    A.f()
 }

idea/testData/copyPaste/imports/ClassObjectFunInsideClass.expected.names

@@ -0,0 +1 @@
+a.A.Companion.f