Override/Implement: Use function body template when generating functions with default body

#KT-11807 Fixed

idea/testData/quickfix/implement/interface.kt.after

@@ -9,6 +9,6 @@ interface Base {
 
 class BaseImpl : Base {
     override fun foo(x: Int): Int {
-        throw UnsupportedOperationException()
+        throw UnsupportedOperationException("not implemented") //To change body of created functions use File | Settings | File Templates.
     }
 }