Closing a minimized chat also closes adjacent chats

[brneor]

Describe the bug When closing a minimized chat, the chat immediately above is also closed.

To Reproduce Steps to reproduce the behavior:

1. With Converse.js running in overlay mode, open chats with multiple contacts.
2. Minimize multiple or all chats.
3. Click on the X button to close a chat that has a chat title bar positioned above it.

Expected behavior Just the selected chat is closed.

Environment:

• Desktop
• Any browser
• Converse.js version 10.1.2