Bug fixes

• #8362 DBus: Incorrect unread message count
• #9427 Placeholder not cleared if pasting text into message input
• #9444 Determine the delay timestamp correctly when using mam:1
• #9453 Fix opening links inside the group chat subject (MacOS/Windows)
• #9465 Allow the full range of possible nicknames in group chats
• #9067 Gajim crashes when receiving xhtml messages
• #9096 Error when clicking on a subscription notification
• #9446 Chatstate error in MUC conversation
• #9471 Conversation Textview: Error on key press
• #9472 Handle presences without from attr correctly
• #9473 Error when creating a new group chat
• #9491 Identify group chat subject changes correctly
• #9496 Error on MUC roster selection change
• Determine soundplayer correctly on unix systems
• In some circumstances plugins could not be deleted
• Show correct contact status on tabs
• Dont answer group chat receipt requests
• Fix receipts for private messages
• Pressing the back button in the Accounts window leads to an error
• Better handle not available keyring backends
• Dont show incorrect contact on private messages
• Join group chat menu is disabled when there are no bookmarks
• Error on start chat menu action
• Error when opening sign-in/out notification
• Copying text does not work with different keyboard layouts