feat: [WASM] Added the ability to load images from bytes

src/SamplesApp/UITests.Shared/UITests.Shared.projitems

@@ -709,6 +709,10 @@
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
+    <Page Include="$(MSBuildThisFileDirectory)Windows_UI_Xaml_Controls\ImageTests\LoadFromBytes.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="$(MSBuildThisFileDirectory)Windows_UI_Xaml_Controls\ListView\ListView_Margin_On_Container.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
@@ -3487,6 +3491,9 @@
     <Compile Include="$(MSBuildThisFileDirectory)Windows_UI_Xaml_Controls\ImageTests\Image_UseTargetSizeLate.xaml.cs">
       <DependentUpon>Image_UseTargetSizeLate.xaml</DependentUpon>
     </Compile>
+    <Compile Include="$(MSBuildThisFileDirectory)Windows_UI_Xaml_Controls\ImageTests\LoadFromBytes.xaml.cs">
+      <DependentUpon>LoadFromBytes.xaml</DependentUpon>
+    </Compile>
     <Compile Include="$(MSBuildThisFileDirectory)Windows_UI_Xaml_Controls\ListView\ListView_Margin_On_Container.xaml.cs">
       <DependentUpon>ListView_Margin_On_Container.xaml</DependentUpon>
     </Compile>
@@ -5470,6 +5477,7 @@
     <Content Include="$(MSBuildThisFileDirectory)Assets\menu.png" />
     <Content Include="$(MSBuildThisFileDirectory)Assets\MenuBar.png" />
     <Content Include="$(MSBuildThisFileDirectory)Assets\MenuFlyout.png" />
+    <EmbeddedResource Include="$(MSBuildThisFileDirectory)Assets\mslug.png" />
     <Content Include="$(MSBuildThisFileDirectory)Assets\NavigationView.png" />
     <Content Include="$(MSBuildThisFileDirectory)Assets\ParallaxView.png" />
     <Content Include="$(MSBuildThisFileDirectory)Assets\PersonPicture.png" />

src/SamplesApp/UITests.Shared/Windows_UI_Xaml_Controls/ImageTests/LoadFromBytes.xaml

@@ -0,0 +1,14 @@
+<UserControl x:Class="Uno.UI.Samples.UITests.ImageTestsControl.LoadFromBytes"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+			 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+			 xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             mc:Ignorable="d"
+			 d:DesignHeight="2000"
+			 d:DesignWidth="400">
+
+	<StackPanel>
+		<TextBlock Text="Image loaded from bytes"/>
+		<Image x:Name="MyImage" Width="400" />
+	</StackPanel>
+</UserControl>

src/SamplesApp/UITests.Shared/Windows_UI_Xaml_Controls/ImageTests/LoadFromBytes.xaml.cs

@@ -0,0 +1,54 @@
+using System;
+using System.IO;
+using System.Linq;
+using System.Threading.Tasks;
+using Uno.UI.Samples.Controls;
+using Windows.UI.Xaml;
+using Windows.UI.Xaml.Media;
+using Windows.UI.Xaml.Media.Imaging;
+using Uno.Extensions;
+
+namespace Uno.UI.Samples.UITests.ImageTestsControl
+{
+	[SampleControlInfo("Image", "LoadFromBytes")]
+	public sealed partial class LoadFromBytes
+	{
+		public LoadFromBytes()
+		{
+			InitializeComponent();
+			Loaded += OnLoaded;
+		}
+
+		private async void OnLoaded(object sender, RoutedEventArgs e)
+		{
+			var assembly = typeof(LoadFromBytes).Assembly;
+
+			var query = from name in assembly.GetManifestResourceNames()
+						where name.EndsWith("mslug.png")
+						select assembly.GetManifestResourceStream(name);
+
+			using (var stream = query.First())
+			{
+				MyImage.Source = await CreateImageSource(stream);
+			}
+		}
+
+		private async Task<ImageSource> CreateImageSource(Stream stream)
+		{
+			if (stream == null)
+			{
+				throw new ArgumentNullException(nameof(stream));
+			}
+
+			var image = new BitmapImage();
+
+#if WINDOWS_UWP
+			await image.SetSourceAsync(stream.AsRandomAccessStream()).AsTask();
+#else
+			var copy = stream.ToMemoryStream();
+			await image.SetSourceAsync(copy);
+#endif
+			return image;
+		}
+	}
+}

src/Uno.UI/UI/Xaml/Controls/Image/Image.wasm.cs

@@ -1,8 +1,7 @@
 using System;
-using System.Globalization;
+using System.IO;
 using Windows.Foundation;
 using Windows.UI.Xaml.Media;
-using Uno.Diagnostics.Eventing;
 using Uno.Extensions;
 using Uno.Foundation;
 using Uno.Logging;
@@ -102,7 +101,15 @@ private void OnSourceChanged(DependencyPropertyChangedEventArgs e)
 
 			_lastMeasuredSize = _zeroSize;
 
-			if (source is WriteableBitmap wb)
+			var stream = source?.Stream;
+			if (stream != null)
+			{
+				stream.Position = 0;
+				var encodedBytes = Convert.ToBase64String(stream.ReadBytes());
+				var url = "data:application/octet-stream;base64," + encodedBytes;
+				SetImageUrl(url);
+			}
+			else if (source is WriteableBitmap wb)
 			{
 				void setImageContent()
 				{