fix(backend): await for events to be written

backend/src/graphql/resolvers/ContactFormResolver.ts

@@ -7,9 +7,11 @@ import { EVENT_CONTACTFORM_SEND } from '#src/event/Events'
 @Resolver()
 export class ContactFormResolver {
   @Mutation(() => Boolean)
-  createContactForm(@Arg('contactFormData') contactFormData: ContactFormInput): boolean {
+  async createContactForm(
+    @Arg('contactFormData') contactFormData: ContactFormInput,
+  ): Promise<boolean> {
     void sendContactEmails(contactFormData)
-    void EVENT_CONTACTFORM_SEND(contactFormData.email)
+    await EVENT_CONTACTFORM_SEND(contactFormData.email)
     return true
   }
 }

backend/src/graphql/resolvers/NewsletterSubscriptionResolver.ts

@@ -15,14 +15,14 @@ export class NewsletterSubscriptionResolver {
       subscribeToNewsletterData.lastName,
       subscribeToNewsletterData.email,
     )
-    void EVENT_NEWSLETTER_SUBSCRIBE(subscribeToNewsletterData.email)
+    await EVENT_NEWSLETTER_SUBSCRIBE(subscribeToNewsletterData.email)
     return result
   }
 
   @Mutation(() => Boolean)
   async confirmNewsletter(@Arg('code') code: string): Promise<boolean> {
     const result = await confirmNewsletter(code)
-    void EVENT_NEWSLETTER_CONFIRM(result ? result.email : undefined)
+    await EVENT_NEWSLETTER_CONFIRM(result ? result.email : undefined)
     return !!result
   }
 }