fix: dropdown and files button ui (#1076)

packages/styles/src/Styles/_sn.scss

@@ -215,7 +215,6 @@
   @extend .border-main;
   @extend .bg-clip-padding;
   @extend .m-0;
-  @extend .p-0;
   @extend .bg-transparent;
   @extend .cursor-pointer;
   @extend .rounded-full;

packages/web/src/javascripts/Components/Dropdown/Dropdown.tsx

@@ -1,4 +1,5 @@
 import { ListboxArrow, ListboxButton, ListboxInput, ListboxList, ListboxOption, ListboxPopover } from '@reach/listbox'
+import '@reach/listbox/styles.css'
 import VisuallyHidden from '@reach/visually-hidden'
 import { FunctionComponent } from 'react'
 import Icon from '@/Components/Icon/Icon'