[Housekeeping] Added UI Test to validate project template

src/Controls/samples/Controls.Sample.UITests/Issues/Issues17801.xaml

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+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             x:Class="Maui.Controls.Sample.Issues.Issue17801">
+    <ScrollView>
+        <VerticalStackLayout
+            Spacing="25"
+            Padding="30,0"
+            VerticalOptions="Center">
+            <Image
+                Source="dotnet_bot.png"
+                HeightRequest="200"
+                HorizontalOptions="Center" />
+            <Label
+                AutomationId="WaitForStubControl"
+                Text="Hello, World!"
+                SemanticProperties.HeadingLevel="Level1"
+                FontSize="32"
+                HorizontalOptions="Center" />
+            <Label
+                Text="Welcome to .NET Multi-platform App UI"
+                FontSize="18"
+                HorizontalOptions="Center" />
+            <Button
+                x:Name="CounterBtn"
+                Text="Click me"
+                Clicked="OnCounterClicked"
+                HorizontalOptions="Center" />
+        </VerticalStackLayout>
+    </ScrollView>
+</ContentPage>

src/Controls/samples/Controls.Sample.UITests/Issues/Issues17801.xaml.cs

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+using System;
+using Microsoft.Maui.Controls;
+using Microsoft.Maui.Controls.Xaml;
+
+namespace Maui.Controls.Sample.Issues
+{
+	[XamlCompilation(XamlCompilationOptions.Compile)]
+	[Issue(IssueTracker.Github, 17801, "ScrollView always has a scroll bar on iOS", PlatformAffected.iOS)]
+	public partial class Issue17801 : ContentPage
+	{
+		int _count = 0;
+
+		public Issue17801()
+		{
+			InitializeComponent();
+		}
+
+		void OnCounterClicked(object sender, EventArgs e)
+		{
+			_count++;
+
+			if (_count == 1)
+				CounterBtn.Text = $"Clicked {_count} time";
+			else
+				CounterBtn.Text = $"Clicked {_count} times";
+		}
+	}
+}

src/Controls/tests/UITests/Tests/Issues/Issue17801.cs

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+using NUnit.Framework;
+using UITest.Appium;
+using UITest.Core;
+
+namespace Microsoft.Maui.AppiumTests.Issues
+{
+	public class Issue17801 : _IssuesUITest
+	{
+		public Issue17801(TestDevice device) : base(device) { }
+
+		public override string Issue => "ScrollView always has a scroll bar on iOS";
+
+		[Test]
+		public void NoScrollbarsTest()
+		{
+			this.IgnoreIfPlatforms(new[]
+			{
+				TestDevice.Mac, TestDevice.Windows, TestDevice.Android
+			});
+
+			App.WaitForElement("WaitForStubControl");
+
+			// We verify the reference snapshot where the ScrollView should
+			// NOT display scrollbars as are not necessary.
+			VerifyScreenshot();
+		}
+	}
+}