Multi Account issues overview

[mahibi]

I will take a close look at multi account issues.

With this issue i just link issues that may be related:

• Account is missing in UI (-> Multiple current accounts in ChooseAccountDialogFragment) #4492
• Multi account issues #4039
• Multi-server accounts, UI slow and messages not sent/received for any account, when one server is down #4382
• Multi-accounts: duplicate accounts in the account list #4499
• NPE in com.nextcloud.talk.settings.SettingsActivity.getCurrentUser #3133
• Didn't get Notifications about new messages #4631
• duplicated accounts in account list #3131
• Accounts disappear (+notifications are still delivered) #2446
• 2 accounts, one disappearing randomly #5093
• [Design] Multi-account / Manage accounts UI derived from NC Files app #6135

an old PR which may contain hints:

• Bugfix/2446/fix disappearing accounts #2581

[mahibi]

If it turns out some bugs are caused by wrong RxJava handling it could be the chance to migrate user handling to coroutines

• Migrate UsersRepository+UserManager to coroutines #4609