Fix loading additional statuses on profiles not working

This was a regression introduced in
d27bddb2ca which removed the didSet
handlers which called reloadData on the pinnedStatuses/timelineSegments
property without adding the appropriate insertRows calls where they were
modified.

Tusker/Screens/Profile/ProfileTableViewController.swift

@@ -209,9 +209,16 @@ class ProfileTableViewController: EnhancedTableViewController {
                 guard case let .success(newStatuses, pagination) = response else { fatalError() }
                 
                 self.mastodonController.persistentContainer.addAll(statuses: newStatuses) {
-                    self.timelineSegments[indexPath.section - 2].append(contentsOf: newStatuses.map { ($0.id, .unknown) })
-                    
                     self.older = pagination?.older
+                    
+                    DispatchQueue.main.async {
+                        let start = self.timelineSegments[indexPath.section - 2].count
+                        let indexPaths = (0..<newStatuses.count).map { IndexPath(row: start + $0, section: indexPath.section) }
+                        self.timelineSegments[indexPath.section - 2].append(contentsOf: newStatuses.map { ($0.id, .unknown) })
+                        UIView.performWithoutAnimation {
+                            self.tableView.insertRows(at: indexPaths, with: .none)
+                        }
+                    }
                 }
             }
         }
@@ -236,13 +243,17 @@ class ProfileTableViewController: EnhancedTableViewController {
             guard case let .success(newStatuses, pagination) = response else { fatalError() }
             
             self.mastodonController.persistentContainer.addAll(statuses: newStatuses) {
-                self.timelineSegments[0].insert(contentsOf: newStatuses.map { ($0.id, .unknown) }, at: 0)
-                
                 if let newer = pagination?.newer {
                     self.newer = newer
                 }
                 
+                let indexPaths = (0..<newStatuses.count).map { IndexPath(row: $0, section: 2) }
                 DispatchQueue.main.async {
+                    self.timelineSegments[0].insert(contentsOf: newStatuses.map { ($0.id, .unknown) }, at: 0)
+                    UIView.performWithoutAnimation {
+                        self.tableView.insertRows(at: indexPaths, with: .none)
+                    }
+
                     self.refreshControl?.endRefreshing()
                 }
             }
@@ -262,7 +273,12 @@ class ProfileTableViewController: EnhancedTableViewController {
                     }
                     pinnedStatuses.append((status.id, state))
                 }
+                DispatchQueue.main.async {
                     self.pinnedStatuses = pinnedStatuses
+                    UIView.performWithoutAnimation {
+                        self.tableView.reloadSections(IndexSet(integer: 1), with: .none)
+                    }
+                }
             }
         }
     }

Tusker/Views/Status/TimelineStatusTableViewCell.swift

@@ -84,12 +84,10 @@ class TimelineStatusTableViewCell: BaseStatusTableViewCell {
 
         updateTimestamp()
         
-        if showPinned {
+        let pinned = showPinned && (status.pinned ?? false)
-            let pinned = status.pinned ?? false
         timestampLabel.isHidden = pinned
         pinImageView.isHidden = !pinned
     }
-    }
     
     @objc override func preferencesChanged() {
         super.preferencesChanged()