[MM-45564] - Notify Admin v2 (#20777)

* [MM-45564] - Notify Admin v2

* add dummy data

* update dummy data

* add store methods

* experiment with recurring task

* complete saving of the notification

* make improvements

* make improvements

* add store layer tests

* fix lint

* update store layer tests

* add app layer unit tests

* add store layers

* add app layer tests

* fix lint

* fix lint

* fix tests

* fix tests lint

* fix lint

* fix lint

* fix retry layer test

* add notifications manual trigger

* filter notifications based on current plan

* add test case

* temp change

* feedback impl

* fix translations

* change job scheduler

* refactor job

* fix store layer tests

* extract i18n

* fix lint

* fix translations

* fix translations

* add license statement for new file

* feedback impl-2

* fix lint

* update make file

* add intl ids

* improve

* fix lint

* feedback impl

* move code and rename files

* fix lint

* feedback impl

* add config for trigger notifications api

* fix tests

* tmp change

* undo temp changes

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

tests/test-config.json

@@ -60,6 +60,7 @@
         "ExperimentalEnableDefaultChannelLeaveJoinMessages": true,
         "ExperimentalGroupUnreadChannels": "disabled",
         "EnableAPITeamDeletion": false,
+        "EnableAPITriggerAdminNotifications": false,
         "ExperimentalEnableHardenedMode": false
     },
     "TeamSettings": {