docs: update conditions to match code preset (#3412)

Added Missing Conditions:
_complete, _incomplete, _dragging
_grabbed, _underValue, _overValue, _atValue
_closed, _current, _today, _unavailable
_rangeStart, _rangeEnd, _now, _topmost, _hidden
_icon, _starting, _noscript, _invertedColors
Corrected Existing Selectors:
Updated _disabled to include [aria-disabled=true]
Updated _readOnly to include [aria-readonly=true]
Updated _checked to include [data-state="checked"]
Updated _expanded to include [data-state="expanded"]
Updated _indeterminate to include [data-state="indeterminate"]
Fixed _even and _odd to use :nth-child() syntax
Updated _placeholder to use ::placeholder pseudo-element
Corrected _open to include multiple state variations
Fixed _fullscreen to include data attribute variant
Corrected _dark and _light class selectors
Updated _ltr and _rtl to use :where() syntax
Added webkit marker variant to _marker
Updated range selectors to include data attribute variants

Author: jacoblapworth