Cannot move caret down with arrow keys in blockquotes if multiple lines are empty

CR: Canary Desktop 2026.1106.11354, Web 2026.1107.32732, Linux 7.2.15-200.fc44.x86_64 (x64), Electron 44.10.0, Chrome 152.0.7977.169, Node 24.22.1, Locale en-GB Fun fact: if you press Up one more time between steps 2 and 3, the cursor does some cursed things. And then down works again :D