To be able to properly prevent unnecessary chapter updates, the ongoing updates have to finish, so that the apollo cache is update to date.
Otherwise, the update guard will always be false since the apollo caches chapter data is still from before the previous updates were triggered.
- open from outside reader
- is read
- yes: 1st page
- no : last read page
- inside reader via
- chapter selection: first page
- previous chapter : last page
- next chapter : first page
