[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>

model/config.go

@@ -361,6 +361,7 @@ type ServiceSettings struct {
 	ExperimentalEnableDefaultChannelLeaveJoinMessages *bool   `access:"experimental_features"`
 	ExperimentalGroupUnreadChannels                   *string `access:"experimental_features"`
 	EnableAPITeamDeletion                             *bool
+	EnableAPITriggerAdminNotifications                *bool
 	EnableAPIUserDeletion                             *bool
 	ExperimentalEnableHardenedMode                    *bool `access:"experimental_features"`
 	ExperimentalStrictCSRFEnforcement                 *bool `access:"experimental_features,write_restrictable,cloud_restrictable"`
@@ -754,6 +755,10 @@ func (s *ServiceSettings) SetDefaults(isUpdate bool) {
 		s.EnableAPITeamDeletion = NewBool(false)
 	}
 
+	if s.EnableAPITriggerAdminNotifications == nil {
+		s.EnableAPITriggerAdminNotifications = NewBool(false)
+	}
+
 	if s.EnableAPIUserDeletion == nil {
 		s.EnableAPIUserDeletion = NewBool(false)
 	}