[Settings][FindMyMouse]disable excluded apps UI (#17940)

src/settings-ui/Settings.UI/Views/MouseUtilsPage.xaml

@@ -120,7 +120,7 @@
                     </controls:SettingExpander>
                     <controls:SettingExpander IsExpanded="False">
                         <controls:SettingExpander.Header>
-                            <controls:Setting x:Uid="MouseUtils_FindMyMouse_ExcludedApps" Icon="&#xECE4;" Style="{StaticResource ExpanderHeaderSettingStyle}"/>
+                            <controls:Setting x:Uid="MouseUtils_FindMyMouse_ExcludedApps" Icon="&#xECE4;" IsEnabled="{x:Bind Mode=OneWay, Path=ViewModel.IsFindMyMouseEnabled}" Style="{StaticResource ExpanderHeaderSettingStyle}"/>
                         </controls:SettingExpander.Header>
                         <controls:SettingExpander.Content>
                             <TextBox x:Uid="MouseUtils_FindMyMouse_ExcludedApps_TextBoxControl"