Fix app extension build number

Tusker.xcodeproj/project.pbxproj

@@ -2719,7 +2719,7 @@
 				CODE_SIGN_ENTITLEMENTS = OpenInTusker/OpenInTusker.entitlements;
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 19;
+				CURRENT_PROJECT_VERSION = 20;
 				DEVELOPMENT_TEAM = V4WK9KR9U2;
 				INFOPLIST_FILE = OpenInTusker/Info.plist;
 				IPHONEOS_DEPLOYMENT_TARGET = 14.1;
@@ -2746,7 +2746,7 @@
 				CODE_SIGN_ENTITLEMENTS = OpenInTusker/OpenInTusker.entitlements;
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 19;
+				CURRENT_PROJECT_VERSION = 20;
 				DEVELOPMENT_TEAM = V4WK9KR9U2;
 				INFOPLIST_FILE = OpenInTusker/Info.plist;
 				IPHONEOS_DEPLOYMENT_TARGET = 14.1;

Tusker/Screens/Main/MainSidebarViewController.swift

@@ -462,6 +462,21 @@ extension MainSidebarViewController: UICollectionViewDelegate {
             return true
         }
     }
+    
+    func collectionView(_ collectionView: UICollectionView, contextMenuConfigurationForItemAt indexPath: IndexPath, point: CGPoint) -> UIContextMenuConfiguration? {
+        guard #available(iOS 15.0, *),
+              let item = dataSource.itemIdentifier(for: indexPath),
+              let activity = userActivityForItem(item) else {
+            return nil
+        }
+        return UIContextMenuConfiguration(identifier: nil, previewProvider: nil) { (_) in
+            return UIMenu(children: [
+                UIWindowScene.ActivationAction({ action in
+                    return UIWindowScene.ActivationConfiguration(userActivity: activity)
+                }),
+            ])
+        }
+    }
 }
 
 extension MainSidebarViewController: UICollectionViewDragDelegate {

Tusker/Screens/Profile/ProfileViewController.swift

@@ -74,6 +74,7 @@ class ProfileViewController: UIPageViewController {
                 self.composeDirectMentioning()
             })
         ])
+        composeButton.isEnabled = mastodonController.loggedIn
         navigationItem.rightBarButtonItem = composeButton
         
         headerView = ProfileHeaderView.create()