[BITV/A11Y] Todos from accessibility review

[nickvergessen]

• "Mark as read" toggle doesn’t switch to "Mark as unread" – functionality yet to be implemented Allow to mark conversation as unread #6808
• Add proper h2 elements for accessibility #7103
• Top bar link is a link without href, should be button since it is a modal dialog #7522
• Authors in chat should not be marked up as heading #7104
• Possibly bold author name to separate better #7523
• New messages should be announced via aria-live="polite" #7105
• Messages should be combined, and every message should include author, message and timestamp #7524
• Messages itself needs to be focusable #7106
• After reply button is clicked, screenreader does not necessarily indicate that there is a change #7525
• Order of actions when replying is strange. Should be quoted text --> attachment --> emoji --> text input #7526
• Close/remove button of quoted text is not labeled #7527
• After quote is closed, input field should be focused again #7528
• Provide indication of sent message "Your message was sent" #7529
• When creating a conversation it's not possible to select participants with the keyboard #7530
• Emoji picker not usable with keyboard [BITV/A11Y] Emoji picker not operable with keyboard nextcloud-libraries/nextcloud-vue#2511
• View and chat buttons in live conversations are missing accessible names #7531
• The record button in chat input is missing an accessible name #7532
• The button for removing the text from the text field is missing a name (might be a general thing) #7533
• sidebar menu lacking labels #7534

[jancborchardt]

Items marked as bold indicate the most important/impactful ones. :)

[nickvergessen]

Extracted the bold issues into dedicated issues

[nickvergessen]

Added

When creating a conversation it's not possible to select participants with the keyboard