disable interactions with deleted message in conversation screen

Session/Conversations/ConversationVC+Interaction.swift

@@ -365,6 +365,7 @@ extension ConversationVC : InputViewDelegate, MessageCellDelegate, ContextMenuAc
         // Show the context menu if applicable
         guard let index = viewItems.firstIndex(where: { $0 === viewItem }),
             let cell = messagesTableView.cellForRow(at: IndexPath(row: index, section: 0)) as? VisibleMessageCell,
+            let message = viewItem.interaction as? TSMessage, !message.isDeleted,
             let snapshot = cell.bubbleView.snapshotView(afterScreenUpdates: false), contextMenuWindow == nil,
             !ContextMenuVC.actions(for: viewItem, delegate: self).isEmpty else { return }
         UIImpactFeedbackGenerator(style: .heavy).impactOccurred()