[WIP] [MM-55031] OAuth Outgoing Connection App integration (#25379)

* 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

* license changes

* OAuthOutgoingConnectionInterface

* Oauth -> OAuth

* make generated

* merge migrations

* renamed migrations

* model change suggestions

* refactor test functionsn

* migration typo

* refactor store table names

* updated sanitize test

* cleanup merge

* refactor symbol

* list endpoint

* oauthoutgoingconnection -> outgoingoauthconnection

* signature change

* i18n update

* granttype typo

* naming

* api list

* uppercase typo

* i18n

* missing license header

* fixed path in comments

* updated openapi definitions

* sanitize connections

* make generated

* test license and no feature flag

* removed t.fatal

* updated testhelper calls

* yaml schema fixes

* switched interface name

* suggested translation

* missing i18n translation

* address comments

* updated i18n

server/public/model/license.go

@@ -158,6 +158,7 @@ type Features struct {
 	Cloud                     *bool `json:"cloud"`
 	SharedChannels            *bool `json:"shared_channels"`
 	RemoteClusterService      *bool `json:"remote_cluster_service"`
+	OutgoingOAuthConnections  *bool `json:"outgoing_oauth_connections"`
 
 	// after we enabled more features we'll need to control them with this
 	FutureFeatures *bool `json:"future_features"`
@@ -191,6 +192,7 @@ func (f *Features) ToMap() map[string]any {
 		"shared_channels":             *f.SharedChannels,
 		"remote_cluster_service":      *f.RemoteClusterService,
 		"future":                      *f.FutureFeatures,
+		"outgoing_oauth_connections":  *f.OutgoingOAuthConnections,
 	}
 }
 
@@ -314,6 +316,10 @@ func (f *Features) SetDefaults() {
 	if f.RemoteClusterService == nil {
 		f.RemoteClusterService = NewBool(*f.FutureFeatures)
 	}
+
+	if f.OutgoingOAuthConnections == nil {
+		f.OutgoingOAuthConnections = NewBool(*f.FutureFeatures)
+	}
 }
 
 func (l *License) IsExpired() bool {