some webv2 UI polish (#2940)

* style tweaks for Action Button, UserMenu, Modal

* a bunch of misc polish; some around chat

* Prettified Code!

* cleanup

* fix formatting

* Reduce content padding a bit

* some stylesheet cleanup

* fix action button sizing

* Remove action button height completely

---------

Co-authored-by: gingervitis <gingervitis@users.noreply.github.com>
Co-authored-by: Gabe Kangas <gabek@real-ity.com>

web/components/ui/Modal/Modal.tsx

@@ -72,6 +72,7 @@ export const Modal: FC<ModalProps> = ({
       footer={null}
       centered
       destroyOnClose
+      className={styles.modal}
     >
       <ErrorBoundary
         // eslint-disable-next-line react/no-unstable-nested-components