[Bug] ScrollView automatically scrolling to last focused entry in IOS

[nawazish-rabbani]

Description

ScrollView automatically scrolling to last focused entry in IOS.
create a simple layout in this format
ScrollView
StackLayout
Entry PlaceHolder="First"
Entry PlaceHolder="First"
Entry PlaceHolder="First"
Entry PlaceHolder="First"
Entry PlaceHolder="First"
Entry PlaceHolder="First"
Entry PlaceHolder="First"
Entry PlaceHolder="First"
Entry PlaceHolder="First"
Entry PlaceHolder="First"
Entry PlaceHolder="First"
Entry PlaceHolder="First"
Entry PlaceHolder="First"
Entry PlaceHolder="First"
Entry PlaceHolder="First"
StackLayout
ScrollView

Steps to Reproduce

1. Tap on first field , you can see the cursor blinking in the first field
2. Scroll down to the last field and then tap to last field
3. you can see that the scrollview is automatically scrolled to top.

Expected Behavior

Last field should be focused and scrollview should not move to first field

Actual Behavior

Scrollview is moving to last focused field

Basic Information

• Version with issue:Latest Xamarin forms 5.0.0.2012
• Affected Devices: ios 14.4

Environment

IOS

Show/Hide Visual Studio info

=== Visual Studio Community 2019 for Mac ===

Version 8.8.4 (build 30)
Installation UUID: 2addb518-1c73-4d97-ad3e-db7b30c58025
	GTK+ 2.24.23 (Raleigh theme)
	Xamarin.Mac 6.18.0.23 (d16-6 / 088c73638)

	Package version: 612000113

=== Mono Framework MDK ===

Runtime:
	Mono 6.12.0.113 (2020-02/4fdfb5b1fd5) (64-bit)
	Package version: 612000113

=== Roslyn (Language Service) ===

3.8.0-5.20519.18+4c195c3ac1974edcefa76774d7a59a2350ec55fa

=== NuGet ===

Version: 5.8.0.6860

=== .NET Core SDK ===

SDK: /usr/local/share/dotnet/sdk/5.0.101/Sdks
SDK Versions:
	5.0.101
	5.0.100
	3.1.404
	3.1.403
	3.1.402
	3.1.101
MSBuild SDKs: /Applications/Visual Studio.app/Contents/Resources/lib/monodevelop/bin/MSBuild/Current/bin/Sdks

=== .NET Core Runtime ===

Runtime: /usr/local/share/dotnet/dotnet
Runtime Versions:
	5.0.1
	5.0.0
	3.1.10
	3.1.9
	3.1.8
	3.1.1
	2.1.23
	2.1.22
	2.1.15

=== .NET Core 3.1 SDK ===

SDK: 3.1.404

=== Xamarin.Profiler ===

Version: 1.6.15.68
Location: /Applications/Xamarin Profiler.app/Contents/MacOS/Xamarin Profiler

=== Updater ===

Version: 11

=== Xamarin.Android ===

Version: 11.1.0.17 (Visual Studio Community)
Commit: xamarin-android/d16-8/c0e2b8e
Android SDK: /Users/nawazish/Library/Developer/Xamarin/android-sdk-macosx
	Supported Android versions:
		None installed

SDK Tools Version: 26.1.1
SDK Platform Tools Version: 30.0.4
SDK Build Tools Version: 29.0.2

Build Information: 
Mono: be2226b
Java.Interop: xamarin/java.interop/d16-8@79d9533
ProGuard: Guardsquare/proguard/proguard6.2.2@ebe9000
SQLite: xamarin/sqlite/3.32.1@1a3276b
Xamarin.Android Tools: xamarin/xamarin-android-tools/d16-8@2fb1cbc

=== Microsoft OpenJDK for Mobile ===

Java SDK: /Users/nawazish/Library/Developer/Xamarin/jdk/microsoft_dist_openjdk_1.8.0.25
1.8.0-25
Android Designer EPL code available here:
https://github.com/xamarin/AndroidDesigner.EPL

=== Android SDK Manager ===

Version: 16.8.0.32
Hash: 01a7774
Branch: remotes/origin/d16-8
Build date: 2020-12-10 00:32:24 UTC

=== Android Device Manager ===

Version: 16.8.0.46
Hash: 0a81419
Branch: remotes/origin/d16-8
Build date: 2020-12-10 00:32:44 UTC

=== Xamarin Designer ===

Version: 16.8.0.510
Hash: 44e3f3ce9
Branch: remotes/origin/d16-8
Build date: 2020-12-10 00:06:14 UTC

=== Apple Developer Tools ===

Xcode 12.2 (17535)
Build 12B45b

=== Xamarin.Mac ===

Version: 7.0.0.15 (Visual Studio Community)
Hash: 87a1b18d8
Branch: d16-8
Build date: 2020-11-16 21:39:40-0500

=== Xamarin.iOS ===

Version: 14.6.0.15 (Visual Studio Community)
Hash: 87a1b18d8
Branch: d16-8
Build date: 2020-11-16 21:39:41-0500

=== Build Information ===

Release ID: 808040030
Git revision: eaa21a8983aa5c4bcf6a665892478b4f3d413418
Build date: 2020-12-10 11:06:12-05
Build branch: release-8.8
Xamarin extensions: eaa21a8983aa5c4bcf6a665892478b4f3d413418

=== Operating System ===

Mac OS X 10.15.6
Darwin 19.6.0 Darwin Kernel Version 19.6.0
    Thu Jun 18 20:49:00 PDT 2020
    root:xnu-6153.141.1~1/RELEASE_X86_64 x86_64

Screenshots

[WS325435]

Also having problems with iOS scrolling away automatically from selected fields.

[aismaniotto]

I am facing the same problem. Some workaround?