Create from Usage: Disable "Create property" (non-abstract) in interfaces. Make "Create function" (non-abstract) generate function body in interfaces

#KT-13365 Fixed

idea/testData/quickfix/createFromUsage/createFunction/call/funOnTrait.kt.after

@@ -1,7 +1,9 @@
 // "Create member function 'T.foo'" "true"
 
 interface T {
-    fun foo(s: String, i: Int): Boolean
+    fun foo(s: String, i: Int): Boolean {
+        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
 }
 
 fun test(t: T) {