Reworked k2k copy-paste action.

Get rid of resolve from copy phase, paste phase performs resolve in bg

#KT-33939 Fixed

idea/testData/copyPaste/imports/ImportDirectiveAndClassBody.kt

@@ -0,0 +1,16 @@
+// WITH_LIBRARY: copyPaste/imports/KotlinLibrary
+package d
+<selection>
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+import foo.Bar
+
+/**
+ * Some kdoc for class Foo
+ */
+class Foo(val a: A) {
+}
+</selection>