fixed dumb shit that nobody cares (#772)

Content.Client/Replay/UI/Loading/ReplayLoadingFailed.cs

@@ -0,0 +1,30 @@
+using Content.Client.Stylesheets;
+using Robust.Client.State;
+using Robust.Client.UserInterface;
+using Robust.Shared.Utility;
+namespace Content.Client.Replay.UI.Loading;
+/// <summary>
+/// State used to display an error message if a replay failed to load.
+/// </summary>
+/// <seealso cref="ReplayLoadingFailedControl"/>
+/// <seealso cref="ContentReplayPlaybackManager"/>
+public sealed class ReplayLoadingFailed : State
+{
+    [Dependency] private readonly IStylesheetManager _stylesheetManager = default!;
+    [Dependency] private readonly IUserInterfaceManager _userInterface = default!;
+    private ReplayLoadingFailedControl? _control;
+    public void SetData(Exception exception, Action? cancelPressed, Action? retryPressed)
+    {
+        DebugTools.Assert(_control != null);
+        _control.SetData(exception, cancelPressed, retryPressed);
+    }
+    protected override void Startup()
+    {
+        _control = new ReplayLoadingFailedControl(_stylesheetManager);
+        _userInterface.StateRoot.AddChild(_control);
+    }
+    protected override void Shutdown()
+    {
+        _control?.Orphan();
+    }
+}