mysql ui fixes (#1417)

ErsatzTV/Pages/FFmpeg.razor

@@ -67,7 +67,7 @@
 @code {
     private readonly CancellationTokenSource _cts = new();
 
-    private List<FFmpegProfileViewModel> _ffmpegProfiles;
+    private List<FFmpegProfileViewModel> _ffmpegProfiles = new();
 
     public void Dispose()
     {

ErsatzTV/Pages/PlayoutAlternateSchedulesEditor.razor

@@ -218,8 +218,8 @@
     public int Id { get; set; }
 
     private string _channelName;
-    private List<PlayoutAlternateScheduleEditViewModel> _items;
-    private List<ProgramScheduleViewModel> _schedules;
+    private List<PlayoutAlternateScheduleEditViewModel> _items = new();
+    private List<ProgramScheduleViewModel> _schedules = new();
 
     private PlayoutAlternateScheduleEditViewModel _selectedItem;
 

ErsatzTV/Pages/Watermarks.razor

@@ -73,7 +73,7 @@
 @code {
     private readonly CancellationTokenSource _cts = new();
 
-    private List<WatermarkViewModel> _watermarks;
+    private List<WatermarkViewModel> _watermarks = new();
 
     public void Dispose()
     {