Fix bug affecting nested bundle paths

* Resolves #1419

AssetRipper.sln

@@ -159,6 +159,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AssetRipper.GUI.Web", "Sour
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AssetRipper.Export.Modules.Models", "Source\AssetRipper.Export.Modules.Models\AssetRipper.Export.Modules.Models.csproj", "{B827502A-EA76-4C16-B246-0E625A7ED80E}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AssetRipper.GUI.Web.Tests", "Source\AssetRipper.GUI.Web.Tests\AssetRipper.GUI.Web.Tests.csproj", "{9EDD3621-6E2B-41AD-8F6A-F8C4CD113566}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -337,6 +339,10 @@ Global
 		{B827502A-EA76-4C16-B246-0E625A7ED80E}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{B827502A-EA76-4C16-B246-0E625A7ED80E}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{B827502A-EA76-4C16-B246-0E625A7ED80E}.Release|Any CPU.Build.0 = Release|Any CPU
+		{9EDD3621-6E2B-41AD-8F6A-F8C4CD113566}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{9EDD3621-6E2B-41AD-8F6A-F8C4CD113566}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{9EDD3621-6E2B-41AD-8F6A-F8C4CD113566}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{9EDD3621-6E2B-41AD-8F6A-F8C4CD113566}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

Source/AssetRipper.GUI.Web.Tests/AssetRipper.GUI.Web.Tests.csproj

@@ -0,0 +1,27 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+	<PropertyGroup>
+		<IsPackable>false</IsPackable>
+		<OutputPath>..\0Bins\Other\AssetRipper.GUI.Web.Tests\$(Configuration)\</OutputPath>
+		<IntermediateOutputPath>..\0Bins\obj\AssetRipper.GUI.Web.Tests\$(Configuration)\</IntermediateOutputPath>
+	</PropertyGroup>
+
+	<ItemGroup>
+		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
+		<PackageReference Include="NUnit" Version="4.1.0" />
+		<PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
+		<PackageReference Include="NUnit.Analyzers" Version="4.2.0">
+			<PrivateAssets>all</PrivateAssets>
+			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+		</PackageReference>
+		<PackageReference Include="coverlet.collector" Version="6.0.2">
+			<PrivateAssets>all</PrivateAssets>
+			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+		</PackageReference>
+	</ItemGroup>
+
+	<ItemGroup>
+		<ProjectReference Include="..\AssetRipper.GUI.Web\AssetRipper.GUI.Web.csproj" />
+	</ItemGroup>
+
+</Project>

Source/AssetRipper.GUI.Web.Tests/BundlePathTests.cs

@@ -0,0 +1,35 @@
+using AssetRipper.GUI.Web.Paths;
+
+namespace AssetRipper.GUI.Web.Tests;
+
+public class BundlePathTests
+{
+	[Test]
+	public void DefaultBundlePathIsRoot()
+	{
+		BundlePath path = default;
+		Assert.That(path.IsRoot);
+	}
+
+	[Test]
+	public void BundlePathParentWithDepthOneIsRoot()
+	{
+		BundlePath path = new([0]);
+		Assert.That(path.Parent.IsRoot);
+	}
+
+	[Test]
+	public void BundlePathParentWithDepthTwoIsNotRoot()
+	{
+		BundlePath path = new([0,0]);
+		Assert.That(path.Parent.IsRoot, Is.False);
+	}
+
+	[Test]
+	public void ParentHasCorrectPath()
+	{
+		BundlePath path = new([1, 2, 3]);
+		BundlePath parent = path.Parent;
+		Assert.That(parent.Path.ToArray(), Is.EquivalentTo((int[])[1, 2]));
+	}
+}

Source/AssetRipper.GUI.Web.Tests/Usings.cs

@@ -0,0 +1,2 @@
+global using NUnit.Framework;
+global using System;

Source/AssetRipper.GUI.Web/Paths/BundlePath.cs

@@ -39,14 +39,14 @@ public readonly record struct BundlePath : IPath<BundlePath>
 	/// If <see cref="IsRoot"/>, then this will return <see langword="default"/>.
 	/// </remarks>
 	[JsonIgnore]
-	public BundlePath Parent => Depth > 1 ? new BundlePath(Path.Span[..^-1]) : default;
+	public BundlePath Parent => Depth > 1 ? new BundlePath(Path.Span[..^1]) : default;
 
 	public BundlePath GetChild(int index)
 	{
 		int[] path;
 		if (_path is null)
 		{
-			path = new int[1] { index };
+			path = [index];
 		}
 		else
 		{