Added option to ignore applet (gamepad connection window will not appear when it is disconnected) (#40)

This option is under the hacks category for a reason; use if you know what you're doing.

src/Ryujinx/UI/Views/Settings/SettingsSystemView.axaml

@@ -229,16 +229,19 @@
 						</ComboBoxItem>
 					</ComboBox>
                 </StackPanel>
-                    <StackPanel
-                        Margin="10,0,0,0"
-                        HorizontalAlignment="Stretch"
-                        Orientation="Vertical">
-                        <CheckBox
-                            IsChecked="{Binding IgnoreMissingServices}"
-                            ToolTip.Tip="{locale:Locale IgnoreMissingServicesTooltip}">
-                            <TextBlock Text="{locale:Locale SettingsTabSystemIgnoreMissingServices}" />
-                        </CheckBox>
-                    </StackPanel>
+                <StackPanel
+                    Margin="10,0,0,0"
+                    HorizontalAlignment="Stretch"
+                    Orientation="Vertical">
+                    <CheckBox
+                        IsChecked="{Binding IgnoreMissingServices}"
+                        ToolTip.Tip="{locale:Locale IgnoreMissingServicesTooltip}">
+                        <TextBlock Text="{locale:Locale SettingsTabSystemIgnoreMissingServices}" />
+                    </CheckBox>
+                    <CheckBox IsChecked="{Binding IgnoreApplet}">
+                        <TextBlock Text="{locale:Locale SettingsTabSystemIgnoreApplet}" />
+                    </CheckBox>
+                </StackPanel>
             </StackPanel>
         </Border>
     </ScrollViewer>

src/Ryujinx/UI/Views/Settings/SettingsUIView.axaml

@@ -1,4 +1,4 @@
-<UserControl
+<UserControl
     x:Class="Ryujinx.Ava.UI.Views.Settings.SettingsUiView"
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"