Create subclass intention implemented #KT-8473 Fixed

Can be used for implementing interfaces / abstract classes / sealed classes or extending open classes

idea/testData/quickfix/implement/incorrectRange.kt

@@ -0,0 +1,7 @@
+// "Implement interface" "false"
+// ACTION: Convert function to property
+// ACTION: Convert member to extension
+
+interface Base {
+    fun <caret>foo(): Int
+}