fix: Allow speaker to be created without session (#6315)

Author: iamareebjamal

app/controllers/events/view/speakers/create.js

@@ -10,23 +10,24 @@ export default class extends Controller {
     try {
       this.set('isLoading', true);
       this.model.speaker.event = this.model.event;
-      if (!sessionDetails) {
+      const shouldSaveNewSession = !sessionDetails && this.model.session?.title;
+      if (shouldSaveNewSession) {
         await this.model.session.save();
       }
       const newSpeaker = this.model.speaker;
       if (newSpeaker.isEmailOverridden) {
         newSpeaker.set('email', null);
       }
       await newSpeaker.save();
-      if (!sessionDetails) {
+      if (shouldSaveNewSession) {
         this.model.speaker.sessions.pushObject(this.model.session);
         await this.model.session.save();
-      } else {
+      } else if (sessionDetails) {
         this.model.speaker.sessions.pushObject(sessionDetails);
       }
 
       await this.model.speaker.save();
-      this.notify.success(this.l10n.t('Your session has been saved'));
+      this.notify.success(this.l10n.t('Your speaker has been saved'));
       this.transitionToRoute('events.view.speakers', this.model.event.id);
     } catch (e) {
       console.error('Error while saving session', e);