They can refuse to hear it, but they haven't decided yet because there has been so little time since the case was filed. Except for extreme emergency stuff (like if someone asks them to stay an execution scheduled for later that day) they discuss cases during regular conferences and release rulings at specific times.

"Docketing" literally doesn't mean anything - it just means the court's admin staff have received the filings and put them on the system. Anyone who tries to suggest that docketing is more meaningful than that is either clueless or lying.