Split out ChangelogContent into two classes

osu.Game/Overlays/Changelog/ChangelogBuild.cs

@@ -0,0 +1,30 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Allocation;
+using osu.Game.Online.API.Requests.Responses;
+
+namespace osu.Game.Overlays.Changelog
+{
+    public class ChangelogBuild : ChangelogContent
+    {
+        private readonly APIChangelogBuild changelogBuild;
+
+        public ChangelogBuild(APIChangelogBuild changelogBuild)
+        {
+            this.changelogBuild = changelogBuild;
+        }
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            var changelogContentGroup = new ChangelogContentGroup(changelogBuild);
+            changelogContentGroup.GenerateText(changelogBuild.ChangelogEntries);
+            changelogContentGroup.UpdateChevronTooltips(changelogBuild.Versions.Previous?.DisplayVersion,
+                changelogBuild.Versions.Next?.DisplayVersion);
+            changelogContentGroup.BuildSelected += SelectBuild;
+
+            Add(changelogContentGroup);
+        }
+    }
+}