* Add 'mark all read' option to notifications

Signed-off-by: Sasha Varlamov <sasha@sashavarlamov.com>

* Fix exported comment

Signed-off-by: Sasha Varlamov <sasha@sashavarlamov.com>

* Format method comments

Signed-off-by: Sasha Varlamov <sasha@sashavarlamov.com>

* Fix exported comment

Signed-off-by: Sasha Varlamov <sasha@sashavarlamov.com>

Format method comments

Signed-off-by: Sasha Varlamov <sasha@sashavarlamov.com>

Tests for reactions (#3083)

* Unit tests for reactions

* Fix import order

Signed-off-by: Lauris Bukšis-Haberkorns <lauris@nix.lv>

Fix reaction possition when there is attachments (#3099)

Refactor notifications swap function

* Accept change to drop beforeupdate call

* Update purge notifications error message for consistency

* Drop unnecessary check for mark all as read button

* Remove debugging comment

* Unit tests and remove unused functions in models/notification

* Read -> Unread