* Revert "Revert option to collapse long notes (#8561)"
This reverts commit 71150f21cd91df7bdd78a8f708db092418e85baa and reinstates
the option to collapse long notes again after they were expanded.
* fix(client): wrongly collapsed posts
* fix: don't use ref
* tweak style
Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>