[MM-55014][MM-55015] Add last login timestamp for users, add materialized view and refresh job to keep track of post stats for Postgres (#25152)

* [MM-55014][MM-55015] Add last login timestamp for users, add materialized view and refresh job for Postgres

* Check fixes

* Fix type issue

* Add verification that lastlogin was updated

* PR feedback

* Morge'd

* Morge'd again

* Merge'd

* Update admin setting strings

* WIP

* PR feedback

* Oops

* Fix i18n

---------

Co-authored-by: Mattermost Build <build@mattermost.com>

server/channels/store/store.go

@@ -419,6 +419,7 @@ type UserStore interface {
 	UpdatePassword(userID, newPassword string) error
 	UpdateUpdateAt(userID string) (int64, error)
 	UpdateAuthData(userID string, service string, authData *string, email string, resetMfa bool) (string, error)
+	UpdateLastLogin(userID string, lastLogin int64) error
 	ResetAuthDataToEmailForUsers(service string, userIDs []string, includeDeleted bool, dryRun bool) (int, error)
 	UpdateMfaSecret(userID, secret string) error
 	UpdateMfaActive(userID string, active bool) error
@@ -488,6 +489,7 @@ type UserStore interface {
 	IsEmpty(excludeBots bool) (bool, error)
 	GetUsersWithInvalidEmails(page int, perPage int, restrictedDomains string) ([]*model.User, error)
 	InsertUsers(users []*model.User) error
+	RefreshPostStatsForUsers() error
 }
 
 type BotStore interface {