FacetWP 4.2.12

- added 3 Layout builder dynamic tags: {{ post:id }}, {{ post:name }}, and {{ post:url }}
- only autoload the necessary FacetWP wp_options
- issue with resetting slider values
- "Stop indexer" button now works properly

-revert "Term order" change due to weirdness with WooCommerce sorting
-nummy.js - use log() instead of log10() because IE sucks
-layout builder - properly handle ACF single-selects

- refactored layout builder ACF support
- better admin UI support for code-based facets / templates
- code-based facets / templates aren't saved to the DB unless explicitly "unlocked" via the UI
- better json_encode() handling of invalid UTF-8 characters for sites on PHP 7.2+
- FWP.reset() now accepts a string, array, or object
- autocomplete input type changed to text to fix cross-browser inconsistencies
- User selections feature was incorrectly resetting an entire facet
- display issue with hierarchical checkboxes having "Show expanded" enabled
- explicitly set "orderby" => "term_order" when a facet is sorted by Term Order
- FontAwesome 5.10.1