- Simplify format-list logic with LESS.
- Use CSS to insert commas between formats on record view.

- Previously, spaces were collapsed in the HTML rendering of the MARC record, which could obscure the meaning of fixed-position fields like the LEADER, 006, 007 and 008.
- This commit adds new CSS rules and classes to allow greater control over display of MARC fields.
- Resolves VUFIND-1170.