convert conversation icons to buttons (accessibility) (#192)

* update sidebar overflow

* update all clickable icons to buttons

* refactor buttons so they are not inside other buttons

* format doc

* update input background to transparent

* adjust btns size to match #202

* update text size per #202

components/Sidebar/Sidebar.tsx

@@ -150,7 +150,7 @@ export const Sidebar: FC<Props> = ({
         <Search searchTerm={searchTerm} onSearch={setSearchTerm} />
       )}
 
-      <div className="flex-grow overflow-auto">
+      <div className="flex-grow overflow-y-auto overflow-x-clip">
         {folders.length > 0 && (
           <div className="flex border-b border-white/20 pb-2">
             <Folders