Use wplf prefixed transient key for tmpl caching

Author: rask

classes/class-cpt-wplf-form.php

@@ -574,7 +574,7 @@ protected function override_form_template( $template_content, $form_id ) {
    * @return void
    */
   protected function maybe_persist_override_template( $template, $form_id, $force = false ) {
-    $hash_transient = 'form_tmpl_hash_' . $form_id;
+    $hash_transient = 'wplf_form_tmpl_hash_' . $form_id;
     $template_hash = md5( $template );
     $stored_hash = get_transient( $hash_transient );