Attach (recommended) or Link to PDF file here:
issue13500 (in test corpus)

This regressed when landing #13566. 

What is the expected behavior? (add screenshot)
<img width="664" alt="image" src="https://user-images.githubusercontent.com/942640/122467522-7bc8aa80-cf6f-11eb-9d4d-311eb7c64fb2.png">


What went wrong? (add screenshot)
![image](https://user-images.githubusercontent.com/942640/122467565-85eaa900-cf6f-11eb-9c10-8a8686ed440c.png)


return parent[$getNextPage]();
      }
      this[$cleanPage]();
      return this[$getNextPage]();
    }
    const pageNumber = this[$getTemplateRoot]()[$extra].pageNumber;
    const parity = pageNumber % 2 === 0 ? "even" : "odd";
    const position = pageNumber === 0 ? "first" : "rest";
    let page = this.pageArea.children.find(
      p => p.oddOrEven === parity && p.pagePosition === position
    );
    if (page) {
      return page;
    }
    page = this.pageArea.children.find(
      p => p.oddOrEven === "any" && p.pagePosition === position
    );
    if (page) {
      return page;
    }
    page = this.pageArea.children.find(
      p => p.oddOrEven === "any" && p.pagePosition === "any"
    );
    if (page) {
      return page;
    }
    return this.pageArea.children[0];
  }
}
class Para extends XFAObject {