Fix linting according to new rules, and disable buggy rules.

server/lib/external-auth/oidc.ts

@@ -757,6 +757,7 @@ class ExternalAuthOIDC {
    * @throws Error
    * @returns the singleton
    */
+  // eslint-disable-next-line @typescript-eslint/no-redundant-type-constituents
   public static singleton (singletonType: ExternalAuthOIDCType | string): ExternalAuthOIDC {
     if (!singletons) {
       throw new Error('ExternalAuthOIDC singletons are not initialized yet')

server/lib/federation/storage.ts

@@ -307,6 +307,7 @@ async function _store (options: RegisterServerOptions, filePath: string, content
   }
 }
 
+// eslint-disable-next-line @typescript-eslint/no-redundant-type-constituents
 async function _get (options: RegisterServerOptions, filePath: string): Promise<any | null> {
   const logger = options.peertubeHelpers.logger
   try {

server/lib/routers/webchat.ts

@@ -142,6 +142,7 @@ async function initWebchatRouter (options: RegisterServerOptionsV5): Promise<Rou
         res.status(200)
         res.type('html')
         res.send(page)
+      // eslint-disable-next-line @typescript-eslint/no-redundant-type-constituents
       } catch (err: LivechatError | any) {
         const code = err.livechatError?.code ?? 500
         const additionnalMessage: string = escapeHTML(err.livechatError?.message as string ?? '')