KT-11955 Copy/Paste inserts FQ-name

#KT-11955 Fixed

idea/testData/shortenRefs/UnresolvedOverload.dependency.kt

@@ -0,0 +1,6 @@
+package a.b.c
+
+class Foo(p: Int)
+
+fun Foo(s: String){}
+fun Foo(c: Char){}

idea/testData/shortenRefs/UnresolvedOverload.kt

@@ -0,0 +1,3 @@
+fun foo() {
+    <selection>a.b.c.Foo(1.0)</selection>
+}

idea/testData/shortenRefs/UnresolvedOverload.kt.after

@@ -0,0 +1,5 @@
+import a.b.c.Foo
+
+fun foo() {
+    Foo(1.0)
+}