[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/mysql/000116_create_outgoing_oauth_connections.down.sql

@@ -0,0 +1 @@
+DROP TABLE IF EXISTS OutgoingOAuthConnections;

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

@@ -0,0 +1,16 @@
+CREATE TABLE IF NOT EXISTS OutgoingOAuthConnections (
+    Id varchar(26),
+    Name varchar(64),
+    CreatorId varchar(26) DEFAULT NULL,
+    CreateAt bigint(20) DEFAULT NULL,
+    UpdateAt bigint(20) DEFAULT NULL,
+    ClientId varchar(255),
+    ClientSecret varchar(255),
+    CredentialsUsername varchar(255),
+    CredentialsPassword varchar(255),
+    OAuthTokenURL text,
+    GrantType varchar(32) DEFAULT 'client_credentials',
+    Audiences TEXT,
+    PRIMARY KEY (Id),
+    KEY idx_OutgoingOAuthConnections_name (Name)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;