Display plugin (views_plugin_display) ignores template (tpl) files for a revision field

Hi,

When trying to add a template file in the Display plugin for a revision field, it will be ignored because of the use of - in the theme name.

For example:

Theme:
views_view_field__view_name__field_name-revision_id
Registry:
views_view_field__view_name__field_name_revision_id

These do not a match and therefore it will not trigger.

I have added a patch to fix this issue.

Best,

Jeroen