[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/retrylayer/retrylayer_test.go

@@ -34,6 +34,7 @@ func genStore() *mocks.Store {
 	mock.On("LinkMetadata").Return(&mocks.LinkMetadataStore{})
 	mock.On("SharedChannel").Return(&mocks.SharedChannelStore{})
 	mock.On("OAuth").Return(&mocks.OAuthStore{})
+	mock.On("OutgoingOAuthConnection").Return(&mocks.OutgoingOAuthConnectionStore{})
 	mock.On("Plugin").Return(&mocks.PluginStore{})
 	mock.On("Post").Return(&mocks.PostStore{})
 	mock.On("Thread").Return(&mocks.ThreadStore{})