Report 1080p resolution when in docked mode (#2618)

Ryujinx.HLE/HOS/Services/Am/AppletAE/AllSystemAppletProxiesService/SystemAppletProxy/ICommonStateGetter.cs

@@ -193,8 +193,16 @@ namespace Ryujinx.HLE.HOS.Services.Am.AppletAE.AllSystemAppletProxiesService.Sys
         // GetDefaultDisplayResolution() -> (u32, u32)
         public ResultCode GetDefaultDisplayResolution(ServiceCtx context)
         {
-            context.ResponseData.Write(1280);
-            context.ResponseData.Write(720);
+            if (context.Device.System.State.DockedMode)
+            {
+                context.ResponseData.Write(1920);
+                context.ResponseData.Write(1080);
+            }
+            else
+            {
+                context.ResponseData.Write(1280);
+                context.ResponseData.Write(720);
+            }
 
             return ResultCode.Success;
         }