Merge branch 'feature/ISTWCMS-6857-l26yan-Change-webform-settings' into '1.1.x'

ISTWCMS-6857 Change webform settings to improve downloading of large results from Pantheon

See merge request !176

config/install/webform.settings.yml

@@ -212,7 +212,7 @@ mail:
     [webform_submission:values]
   roles: {  }
 export:
-  temp_directory: ''
+  temp_directory: sites/default/files/private/tmp
   exporter: xlsx
   multiple_delimiter: ;
   archive_type: tar
@@ -235,7 +235,7 @@ handler:
 variant:
   excluded_variants: {  }
 batch:
-  default_batch_export_size: 500
+  default_batch_export_size: 1000
   default_batch_import_size: 100
   default_batch_update_size: 500
   default_batch_delete_size: 500