load more items if threshold index is greater than the current index

apple/OmnivoreKit/Sources/Views/PrimaryContainerViews/HomeFeedView.swift

@@ -39,7 +39,7 @@ public final class HomeFeedViewModel: ObservableObject {
     let thresholdIndex = items.index(items.endIndex, offsetBy: -5)
 
     // Check if user has scrolled to the last five items in the list
-    if itemIndex == thresholdIndex, items.count < thresholdIndex + 10 {
+    if let itemIndex = itemIndex, itemIndex > thresholdIndex, items.count < thresholdIndex + 10 {
       performActionSubject.send(.loadItems(query: searchQuery))
     }
   }