[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/db/migrations/postgres/000116_create_outgoing_oauth_connections.down.sql

@@ -0,0 +1,3 @@
+DROP TABLE IF EXISTS outgoingoauthconnections;
+
+DROP TYPE IF EXISTS outgoingoauthconnections_granttype;

server/channels/db/migrations/postgres/000116_create_outgoing_oauth_connections.up.sql

@@ -0,0 +1,18 @@
+CREATE TYPE outgoingoauthconnections_granttype AS ENUM ('client_credentials', 'password');
+
+CREATE TABLE IF NOT EXISTS outgoingoauthconnections (
+    id varchar(26) PRIMARY KEY,
+    name varchar(64),
+    creatorid VARCHAR(26),
+    createat bigint,
+    updateat bigint,
+    clientid varchar(255),
+    clientsecret varchar(255),
+    credentialsusername varchar(255),
+    credentialspassword varchar(255),
+    oauthtokenurl text,
+    granttype outgoingoauthconnections_granttype DEFAULT 'client_credentials',
+    audiences VARCHAR(1024)
+);
+
+CREATE INDEX IF NOT EXISTS idx_outgoingoauthconnections_name ON outgoingoauthconnections (name);