Update the margin of the keyboard UI in the palette suggestions & fixed the mode button's height

Author: 0x5bfa

src/Files.App.Controls/Omnibar/Omnibar.xaml

@@ -130,6 +130,7 @@
 							x:Name="PART_ModeButton"
 							Width="{StaticResource OmnibarModeDefaultClickAreaWidth}"
 							Margin="1"
+							VerticalAlignment="Stretch"
 							Background="{TemplateBinding Background}"
 							BorderBrush="{TemplateBinding BorderBrush}"
 							BorderThickness="0"

src/Files.App/UserControls/NavigationToolbar.xaml

@@ -445,6 +445,7 @@
 							<keyboard:KeyboardShortcut
 								x:Name="RightAlignedKeyboardShortcut"
 								Grid.Column="2"
+								Margin="0,0,8,0"
 								VerticalAlignment="Center"
 								HotKeys="{x:Bind HotKeys}" />
 						</Grid>