Code Quality: Added longPathAware to manifest

Author: yaira2

src/Files.App/app.manifest

@@ -12,6 +12,7 @@
       -->
       <dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">true/PM</dpiAware>
       <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2, PerMonitor</dpiAwareness>
+      <longPathAware xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">true</longPathAware>
     </windowsSettings>
   </application>