Create from Usage: Make property lateinit where possible

#KT-17651 Fixed

idea/testData/quickfix/createFromUsage/createVariable/property/varOnUserType.kt.after

@@ -1,8 +1,7 @@
 // "Create member property 'A.foo'" "true"
-// ERROR: Property must be initialized or be abstract
 
 class A<T>(val n: T) {
-    var foo: String
+    lateinit var foo: String
 }
 
 fun test() {