Fix a bug where the all packages widget would show a phantom package when no updates are found (fix Devolutions/UniGetUI#2862)

Author: marticliment

.gitignore

@@ -15,3 +15,4 @@ Sign.lnk
 src/Package/Package.StoreAssociation.xml
 Widgets for UniGetUI Installer/
 Widgets for UniGetUI Installer.msix
+src/Package/Widgets-for-UniGetUI Package.assets.cache

src/Package/Widgets-for-UniGetUI Package.assets.cache

@@ -233,8 +233,11 @@ async public void GetAvailableUpdates(GenericWidget Widget, bool DeepCheck = fal
 
                 for (int i = 0; i < found_updates.Length; i++)
                 {
-                    if (AllowedSource == "" || AllowedSource == found_updates[i].ManagerName)
+                    if ((AllowedSource == "" && found_updates[i].ManagerName != "") || (AllowedSource != "" && AllowedSource == found_updates[i].ManagerName))
+                    {
+                        Logger.Log($"\"{found_updates[i].ManagerName}\"");
                         valid_updates[i - skippedPackages] = found_updates[i];
+                    }
                     else
                         skippedPackages++;
                 }