Merge pull request #1444 from unoplatform/dev/ERLI/fix-textbox-padding

fix: Properly set material TextBox padding

src/library/Uno.Material/Styles/Controls/v2/TextBox.xaml

@@ -460,7 +460,7 @@
 
 						</VisualStateManager.VisualStateGroups>
 
-						<Grid Margin="{TemplateBinding Padding}">
+						<Grid Padding="{TemplateBinding Padding}">
 							<Grid.ColumnDefinitions>
 								<ColumnDefinition Width="Auto" />
 								<ColumnDefinition Width="*" />
@@ -711,7 +711,7 @@
 
 						<Grid x:Name="Root"
 							  Background="{TemplateBinding Background}"
-							  Margin="{TemplateBinding Padding}">
+							  Padding="{TemplateBinding Padding}">
 							<Grid.ColumnDefinitions>
 								<ColumnDefinition Width="Auto" />
 								<ColumnDefinition Width="*" />