Migrate desktop AudioPlayerBar to MudBlazor theme surface

DeepDrftPublic.Client/Controls/AudioPlayerBar/PlayerTransportZone.razor.cs

@@ -0,0 +1,17 @@
+using Microsoft.AspNetCore.Components;
+
+namespace DeepDrftPublic.Client.Controls.AudioPlayerBar;
+
+public partial class PlayerTransportZone : ComponentBase
+{
+    [Parameter] public bool IsPlaying { get; set; }
+    [Parameter] public bool IsLoaded { get; set; }
+    [Parameter] public bool IsLoading { get; set; }
+    [Parameter] public bool IsStreaming { get; set; }
+    [Parameter] public double LoadProgress { get; set; }
+    [Parameter] public double DisplayTime { get; set; }
+    [Parameter] public double? Duration { get; set; }
+    [Parameter] public EventCallback TogglePlayPause { get; set; }
+    [Parameter] public EventCallback Stop { get; set; }
+    [Parameter] public string? Class { get; set; }
+}