Fix/fonts in editor

[rramo012]

Fixes an issue that prevents the fonts from rendering correctly in both gutenberg and the post and page builder.

The first change allows us to bypass a conditional within the Kirki output class which will skip output unless explicitly requested in the context. The second change pulls in bgtfw dynamic styles in the tinymce context.

Testing:

• Load the post and page builder with a custom font family for the body. Should be wysiwyg
• Load gutenberg with a custom font family for the body. Should be wysiwyg