Toolbar loses its position when custom item is selected

[mohsin1993]

Describe the bug
Toolbar loses its posiition when custom items are selected

To Reproduce
Select alert from dropdown
(https://stackblitz.com/github/TypeCellOS/BlockNote/tree/main/examples/03-ui-components/03-formatting-toolbar-block-type-items?file=README.md)>

Misc

• Node version:
• Package manager:
• Browser:
• I'm a sponsor and would appreciate if you could look into this sooner than later 💖

[mohsin1993]

[matthewlipski]

Thanks for reporting this, looks like the formatting toolbar is trying to calculate its position before the custom block is rendered.