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

#KT-11807 Fixed

idea/testData/codeInsight/overrideImplement/respectCaretPosition.kt.after

@@ -6,7 +6,7 @@ interface Test {
 class SomeTest : Test {
     val hello = 12
     override fun test() {
-        <selection><caret>throw UnsupportedOperationException()</selection>
+        <selection><caret>throw UnsupportedOperationException("not implemented") //To change body of created functions use File | Settings | File Templates.</selection>
     }
 
     override val testProp: Int