pfSense

Update the years in the Copyright notice.

Don't refresh the cache when visiting the update page. Fix #15055

Update fontawesome references in form buttons

More fontawesomev6 updates

Refactor use of return_gateways_array() with get_gateways(). Fix #14893

Most calls to return_gateways_array() do not need the gateway list to be
recreated. get_gateways() can filter the gateway list, and indexing is
moved from return_gateways_array() to get_gateways() to avoid using...

Don't split fontawesome icon names

This makes it easier to update fontawesome versions. While here, fix a
missing closing quote, and use the correct fontawesome prefix.

Remove duplicate class

Update fontawesome icon names to v6. Implement #13537

Revert "Update fontawesome icon names to v6. Implement #13537"

This reverts commit 32be4696a301144c650f4765b8a2b51e28d95a40.

Update fontawesome icon names to v6. Implement #13537