Slightly change the logic, explicitAppId didn't work

Author: andrewleader

Microsoft.Toolkit.Uwp.Notifications/Toasts/Compat/Desktop/Win32AppInfo.cs

@@ -37,21 +37,21 @@ public static Win32AppInfo Get()
 
             // First get the app ID
             IApplicationResolver appResolver = (IApplicationResolver)new CAppResolver();
-            appResolver.GetAppIDForProcess(Convert.ToUInt32(process.Id), out string appId, out _, out bool explicitAppId, out _);
+            appResolver.GetAppIDForProcess(Convert.ToUInt32(process.Id), out string appId, out _, out _, out _);
 
             string aumid;
 
-            // If it has an explicit app ID
-            if (explicitAppId)
+            // If it contains a backslash
+            if (appId.Contains('\\'))
             {
-                // Use as-is
-                aumid = appId;
+                // For versions 19042 and older of Windows 10, we can't use backslashes - Issue #3870
+                // So we change it to not include those
+                aumid = appId.Replace('\\', '/');
             }
             else
             {
-                // Otherwise, it's a full-path, like C:\Program Files\..., and for versions 19042 and older of
-                // Windows 10, we can't use a full path - Issue #3870, so we change it to not be recognized as a path.
-                aumid = appId.Replace('\\', '/');
+                // Use as-is
+                aumid = appId;
             }
 
             // If the AUMID is too long