completion for older java versions: allow boxing even to specify explicit type arguments later when needed

fixing SmartTypeCompletionTest#testIfConditionExpectedType, consequence of changing expected type for condition from boxed to primitive

java/java-tests/testData/codeInsight/completion/normal/ExplicitTypeArgumentsWhenParameterTypesDoNotDependOnTypeParameters_after.java

@@ -6,7 +6,7 @@ class Foo<T> {
   }
 
   static {
-    new Foo<Integer>().to(Bar.<Integer>method(<caret>))
+    new Foo<Integer>().to(Bar.method(<caret>))
   }
 }