Update service - Removed option to install updates without asking

Modules - Decrease CPU usage for activation requirements check by using a centralized service
Devices - Reload provider when unloading a layout

src/Artemis.UI/Screens/Sidebar/SidebarView.xaml

@@ -91,14 +91,10 @@
                 <StackPanel>
                     <StackPanel.Resources>
                         <DataTemplate x:Key="CategoryDragTemplate" DataType="{x:Type sidebar:SidebarCategoryViewModel}">
-                            <DataTemplate.Resources>
-                                <shared:NullToVisibilityConverter x:Key="NullToVisibilityConverter" />
-                            </DataTemplate.Resources>
-                            <Border Background="{DynamicResource MaterialDesignTextFieldBoxHoverBackground}" 
-                                    Padding="10" 
-                                    CornerRadius="4"
-                                    Visibility="{Binding Path=ProfileCategory, FallbackValue=null, Converter={StaticResource NullToVisibilityConverter}}">
-                                <TextBlock Text="{Binding ProfileCategory.Name,TargetNullValue='Oops, I am missing'}" VerticalAlignment="Center" Foreground="{DynamicResource MaterialDesignBody}" />
+                            <Border Background="{DynamicResource MaterialDesignTextFieldBoxHoverBackground}"
+                                    Padding="10"
+                                    CornerRadius="4">
+                                <TextBlock Text="{Binding ProfileCategory.Name}" VerticalAlignment="Center" Foreground="{DynamicResource MaterialDesignBody}" />
                             </Border>
                         </DataTemplate>
                     </StackPanel.Resources>

src/Artemis.UI/Screens/Sidebar/SidebarViewModel.cs

@@ -69,7 +69,7 @@ namespace Artemis.UI.Screens.Sidebar
 
         private void UpdateHeaderDevice()
         {
-            HeaderDevice = _rgbService.Devices.FirstOrDefault(d => d.DeviceType == RGBDeviceType.Keyboard && d.Layout.IsValid);
+            HeaderDevice = _rgbService.Devices.FirstOrDefault(d => d.DeviceType == RGBDeviceType.Keyboard && d.Layout is {IsValid: true});
         }
 
         public ArtemisDevice HeaderDevice