fix: loadDiscoveryDocumentAndLogin should pass state into initLoginFlow

Currently in loadDiscoveryDocumentAndLogin the state parameter is not used at all. It should be passed into initLoginFlow in order for it to be serialized in the login redirection.

Author: kyubisation

projects/lib/src/oauth-service.ts

@@ -275,16 +275,11 @@ export class OAuthService extends AuthConfig implements OnDestroy {
   public loadDiscoveryDocumentAndLogin(
     options: LoginOptions & { state?: string } = null
   ): Promise<boolean> {
-    if (!options) {
-      options = { state: '' };
-    }
+    options = options || {};
     return this.loadDiscoveryDocumentAndTryLogin(options).then(_ => {
       if (!this.hasValidIdToken() || !this.hasValidAccessToken()) {
-        if (this.responseType === 'code') {
-          this.initCodeFlow();
-        } else {
-          this.initImplicitFlow();
-        }
+        const state = typeof options.state === 'string' ? options.state : '';
+        this.initLoginFlow(state);
         return false;
       } else {
         return true;