Move custom nameserver checkbox into the shared domain config component

dashboard/src/components/DomainProviderForm.vue

@@ -28,6 +28,7 @@ const provider = defineModel('provider');
 const dnsConfig = defineModel('dnsConfig');
 const tlsProvider = defineModel('tlsProvider');
 const zoneName = defineModel('zoneName');
+const customNameservers = defineModel('customNameservers');
 
 const tlsProviders = [
   { name: 'Let\'s Encrypt Prod', value: 'letsencrypt-prod' },
@@ -311,6 +312,9 @@ function onGcdnsFileInputChange(event) {
       <TextInput id="zoneNameInput" v-model="zoneName" />
     </FormGroup>
 
+
+    <Checkbox v-if="showAdvanced" v-model="customNameservers" :label="$t('domains.domainDialog.customNameservers')" />
+
     <FormGroup v-if="showAdvanced">
       <label>Certificate Provider <sup><a href="https://docs.cloudron.io/certificates/#certificate-providers" class="help" target="_blank"><i class="fa fa-question-circle"></i></a></sup></label>
       <SingleSelect v-model="tlsProvider" :options="tlsProviders" option-key="value" option-label="name"/>