Add fallback for subscription title for JN sites

Author: kean

WordPress/Classes/ViewRelated/Reader/Subscriptions/ReaderSubscriptionCell.swift

@@ -11,6 +11,13 @@ struct ReaderSubscriptionCell: View {
 
     var onDelete: (ReaderSiteTopic) -> Void
 
+    private var displayTitle: String {
+        if !site.title.isEmpty {
+            return site.title
+        }
+        return URL(string: site.siteURL)?.host ?? site.title
+    }
+
     private var details: String {
         let components = [
             horizontalSizeClass == .compact ? nil : URL(string: site.siteURL)?.host,
@@ -27,7 +34,7 @@ struct ReaderSubscriptionCell: View {
 
                 VStack(alignment: .leading, spacing: 3) {
                     HStack(alignment: .firstTextBaseline, spacing: 8) {
-                        Text(site.title)
+                        Text(displayTitle)
                             .font(.body.weight(.medium))
                     }
                     Text(details)