* Font size name: updating 'huge' to 'x-large'
* Mayland-blocks: rename 'normal' to 'medium'
* Seedlet-blocks: renaming 'normal' to 'medium'
* Russell: removing unused 'normal' font size
* Blockbase & children: moving 'normal' font size from presets to custom
* Blockbase & family: renaming custom fotsize from 'tiny' to 'x-small'