Fix exception when saving new builds (Closes #1359) (#1363)

Daybreak/Views/BuildListView.razor.cs

@@ -7,7 +7,6 @@ using Daybreak.Shared.Services.Toolbox;
 using Daybreak.Shared.Utils;
 using Microsoft.AspNetCore.Components.Web;
 using Microsoft.JSInterop;
-using System.Core.Extensions;
 using System.Drawing;
 using System.Extensions;
 using TrailBlazr.Services;

Daybreak/Views/BuildTemplateViewModelBase.cs

@@ -75,6 +75,11 @@ public abstract class BuildTemplateViewModelBase<TViewModel, TView>(
 
     public void BuildNameChanged(string buildName)
     {
+        if (this.View is null)
+        {
+            return;
+        }
+
         this.ChangeBuildName(buildName);
         this.RefreshView();
     }
@@ -82,6 +87,11 @@ public abstract class BuildTemplateViewModelBase<TViewModel, TView>(
     public override sealed async ValueTask ParametersSet(TView view, CancellationToken cancellationToken)
     {
         var buildLoad = await this.buildTemplateManager.GetBuild(view.BuildName);
+        if (buildLoad is null)
+        {
+            return;
+        }
+
         this.LoadBuild(buildLoad);
         this.UpdateBuildCode();
         this.FilterSkillsByProfessionsAndString();

Daybreak/Views/ExecutablesView.razor.cs

@@ -28,7 +28,7 @@ public class ExecutablesViewModel(
     public override ValueTask ParametersSet(ExecutablesView view, CancellationToken cancellationToken)
     {
         this.Executables.ClearAnd().AddRange(this.guildWarsExecutableManager.GetExecutableList().Select(s => new ExecutablePath { Path = s, Validating = true, Valid = false }));
-        _ = Task.Factory.StartNew(() => this.ValidateExecutables())
+        _ = Task.Factory.StartNew(this.ValidateExecutables)
             .ContinueWith(t => this.AutoUpdate(t, view), CancellationToken.None);
         return base.ParametersSet(view, cancellationToken);
     }