When in the state with muliple collapsed pages on the right only the rightmost one is displayed

### Discussed in https://github.com/roam-garden/i/discussions/79

<div type='discussions-op-text'>

<sup>Originally posted by **sazovsky** September  5, 2021</sup>
Pages do not accumulate on the right.
https://app.vmaker.com/record/SnkprWwMzhwmeBei </div>