Copy/Paste: Add imports for non-qualifiable callable references

#KT-23407 Fixed

idea/testData/copyPaste/imports/TopLevelMemberCallableRefWithExpressionLHS.kt

@@ -0,0 +1,11 @@
+package completion.p23381
+
+class A {
+    fun funReference() {}
+}
+
+class InputImpl {
+    fun context() {
+        <selection>A()::funReference</selection>
+    }
+}