Fix extrapolation of unprobed points for kinetic and bilinear bed leveling#24107

thinkyhead merged 2 commits intoMarlinFirmware:bugfix-2.0.xMarlinFirmware/Marlin:bugfix-2.0.xfrom

tombrazier:kineticbblresettombrazier/Marlin:kineticbblresetCopy head branch name to clipboard