arzamax

bug: VirtualizedMessageList breaks "position: fixed" element inside the scroller

3

**Describe the bug** [react-virtuoso commit](https://github.com/petyosi/react-virtuoso/commit/c2a2919f0859f72ce03a2bfaf2102f26745d0422) added "will-change: transform" style property to the list scroller and created new stack context for inner elements ([MDN](https://developer.mozilla.org/ru/docs/Web/CSS/will-change)). Attachment gallery modal has "position: absolute" behavior...