Remove padding and add radius to menu

Without padding, the children's lack of radius mask the radius. Using is-clipped helps clip with the parent's radius

bookwyrm/templates/components/dropdown.html

@@ -23,7 +23,7 @@
     <div class="dropdown-menu">
         <ul
             id="menu-options-{{ uuid }}"
-            class="dropdown-content"
+            class="dropdown-content p-0 is-clipped"
             role="menu"
         >
             {% block dropdown-list %}{% endblock %}