Missing completion proposal while completing on the name of pattern binding variable in some scenarios

```
LocalVariableBinding local = methodArgument instanceof Argument blah ? bla| Arrays.stream(scope.locals)
.filter(Objects::nonNull)
.filter(LocalVariableBinding::isParameter)
.filter(parameter -> CharOperation.equals(parameter.name, methodArgument.name))
.findFirst()
.orElse(null);
```

I am at the `bla|` after `methodArgument instanceof Argument blah ?`

Completion does not recognize that I am trying to complete on the name of the pattern binding variable `blah`