[MM-55028] Added OAuthOutgoingConnection store (#25221)

* OAuthOutgoingConnection model

* added store

* make generated

* add missing license headers

* fix receiver name

* i18n

* i18n sorting

* update migrations from master

* make migrations-extract

* update retrylayer tests

* replaced sql query with id pagination

* fixed flaky tests

* missing columns

* missing columns on save/update

* typo

* improved tests

* remove enum from mysql colum

* add password credentials to store

* renamed migrations

* model change suggestions

* refactor test functionsn

* migration typo

* refactor store table names

* updated sanitize test

* oauthoutgoingconnection -> outgoingoauthconnection

* signature change

* i18n update

* granttype typo

* uppercase typo

* lowercase store name

server/channels/store/store.go

@@ -46,6 +46,7 @@ type Store interface {
 	Compliance() ComplianceStore
 	Session() SessionStore
 	OAuth() OAuthStore
+	OutgoingOAuthConnection() OutgoingOAuthConnectionStore
 	System() SystemStore
 	Webhook() WebhookStore
 	Command() CommandStore
@@ -577,6 +578,14 @@ type OAuthStore interface {
 	RemoveAllAccessData() error
 }
 
+type OutgoingOAuthConnectionStore interface {
+	SaveConnection(c request.CTX, conn *model.OutgoingOAuthConnection) (*model.OutgoingOAuthConnection, error)
+	UpdateConnection(c request.CTX, conn *model.OutgoingOAuthConnection) (*model.OutgoingOAuthConnection, error)
+	GetConnection(c request.CTX, id string) (*model.OutgoingOAuthConnection, error)
+	GetConnections(c request.CTX, filters model.OutgoingOAuthConnectionGetConnectionsFilter) ([]*model.OutgoingOAuthConnection, error)
+	DeleteConnection(c request.CTX, id string) error
+}
+
 type SystemStore interface {
 	Save(system *model.System) error
 	SaveOrUpdate(system *model.System) error