Remove duplication around MusicBrainz URL generation

lib/music_brainz/release_group.ex

@@ -14,6 +14,10 @@ defmodule MusicBrainz.ReleaseGroup do
     }
   end
 
+  def url(id) do
+    "https://musicbrainz.org/release-group/#{id}"
+  end
+
   defp parse_subtype("Album"), do: :album
   defp parse_subtype("EP"), do: :ep
   defp parse_subtype("Live"), do: :live

lib/music_library_web/components/record_components.ex

@@ -139,7 +139,7 @@ defmodule MusicLibraryWeb.RecordComponents do
                 {gettext("Show")}
               </.link>
               <a
-                href={musicbrainz_url(record)}
+                href={MusicBrainz.ReleaseGroup.url(record.musicbrainz_id)}
                 target=".blank"
                 class="block px-3 py-1 text-sm leading-6 text-zinc-900 dark:text-zinc-400 hover:bg-zinc-50 dark:hover:text-zinc-300 dark:hover:bg-zinc-700"
                 role="menuitem"
@@ -188,10 +188,6 @@ defmodule MusicLibraryWeb.RecordComponents do
     """
   end
 
-  defp musicbrainz_url(record) do
-    "https://musicbrainz.org/release-group/#{record.musicbrainz_id}"
-  end
-
   defp toggle_actions_menu(record_id) do
     JS.toggle(to: "#actions-#{record_id}")
     |> JS.toggle_class("pointer-events-none", to: "#records > li")

lib/music_library_web/live/collection_live/show.ex

@@ -145,10 +145,6 @@ defmodule MusicLibraryWeb.CollectionLive.Show do
   defp title_segment(:show), do: gettext("Show")
   defp title_segment(:edit), do: gettext("Edit")
 
-  defp musicbrainz_url(record) do
-    "https://musicbrainz.org/release-group/#{record.musicbrainz_id}"
-  end
-
   defp human_datetime(dt) do
     "#{dt.day}/#{dt.month}/#{dt.year}"
   end

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

@@ -103,7 +103,7 @@
           {gettext("MusicBrainz ID")}
         </dt>
         <dd class="mt-1 text-sm flex justify-between leading-6 text-zinc-700 dark:text-zinc-300 sm:col-span-2 sm:mt-0">
-          <a href={musicbrainz_url(@record)}>
+          <a href={MusicBrainz.ReleaseGroup.url(@record.musicbrainz_id)}>
             <code id={"mb-#{@record.musicbrainz_id}"}>{@record.musicbrainz_id}</code>
           </a>
           <button phx-click={

lib/music_library_web/live/wishlist_live/show.ex

@@ -128,10 +128,6 @@ defmodule MusicLibraryWeb.WishlistLive.Show do
   defp title_segment(:show), do: gettext("Show")
   defp title_segment(:edit), do: gettext("Edit")
 
-  defp musicbrainz_url(record) do
-    "https://musicbrainz.org/release-group/#{record.musicbrainz_id}"
-  end
-
   defp human_datetime(dt) do
     "#{dt.day}/#{dt.month}/#{dt.year}"
   end

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

@@ -104,7 +104,7 @@
           {gettext("MusicBrainz ID")}
         </dt>
         <dd class="mt-1 text-sm flex justify-between leading-6 text-zinc-700 dark:text-zinc-300 sm:col-span-2 sm:mt-0">
-          <a href={musicbrainz_url(@record)}>
+          <a href={MusicBrainz.ReleaseGroup.url(@record.musicbrainz_id)}>
             <code id={"mb-#{@record.musicbrainz_id}"}>{@record.musicbrainz_id}</code>
           </a>
           <button phx-click={