Uniform size and positioning of all modals

lib/music_library_web/live/collection_live/show.html.heex

@@ -324,6 +324,8 @@
 <.modal
   :if={@live_action == :edit}
   id="record-modal"
+  class="md:min-w-2xl max-w-sm md:max-w-3xl mt-8"
+  placement="top"
   open
   on_close={JS.patch(~p"/collection/#{@record}")}
 >