ref(onboarding): Add persistInFlight to all mutations (#92709)

Adds `persistInFlight` to onboarding's mutations as it was recommended
[here](#92186 (comment))

Author: priscilawebdev

static/app/components/onboarding/useCreateProject.tsx

@@ -14,7 +14,7 @@ interface Variables {
 }
 
 export function useCreateProject() {
-  const api = useApi();
+  const api = useApi({persistInFlight: true});
   const organization = useOrganization();
 
   return useMutation<Project, RequestError, Variables>({

static/app/components/onboarding/useMutateOnboardingTasks.tsx

@@ -8,7 +8,7 @@ import useOrganization from 'sentry/utils/useOrganization';
  * Custom hook to update multiple onboarding tasks in parallel.
  */
 export function useMutateOnboardingTasks() {
-  const api = useApi();
+  const api = useApi({persistInFlight: true});
   const organization = useOrganization();
 
   return useMutation({