feat(billing): invalidate addons query when custom domain is deleted (supabase#39967)

Author: kanishkdudeja

apps/studio/data/custom-domains/custom-domains-delete-mutation.ts

@@ -2,6 +2,7 @@ import { useMutation, UseMutationOptions, useQueryClient } from '@tanstack/react
 import { toast } from 'sonner'
 
 import { del, handleError } from 'data/fetchers'
+import { subscriptionKeys } from 'data/subscriptions/keys'
 import type { ResponseError } from 'types'
 import { customDomainKeys } from './keys'
 
@@ -47,6 +48,9 @@ export const useCustomDomainDeleteMutation = ({
         }
       })
 
+      // Invalidate addons cache since the backend removes the addon when deleting the domain
+      await queryClient.invalidateQueries({ queryKey: subscriptionKeys.addons(projectRef) })
+
       await onSuccess?.(data, variables, context)
     },
     async onError(data, variables, context) {