remove branding for subscribed users (#424)

* removebrandingfor subscribed users

* backend  changes, test

* fix test  name

* fix disable branding

* Fix linting

---------

Co-authored-by: Julien Nahum <julien@nahum.net>

client/pages/forms/[slug]/edit.vue

@@ -69,6 +69,7 @@ function initUpdatedForm() {
 watch(form, (form) => {
   if (form?.value) {
     initUpdatedForm()
+    
   }
 })
 

client/pages/forms/create/index.vue

@@ -99,7 +99,7 @@ onMounted(() => {
     formStore.loadAll(workspace.value.id)
   }
 
-  form.value = initForm({ workspace_id: workspace.value?.id }, true)
+  form.value = initForm({ workspace_id: workspace.value?.id, no_branding: workspace.value?.is_pro }, true)
   formInitialHash.value = hash(JSON.stringify(form.value.data()))
   if (route.query.template !== undefined && route.query.template) {
     const template = templatesStore.getByKey(route.query.template)