Fix, improve Power Loss Recovery (#13703)

- Save and restore workspace offsets
- Add retract and purge (hidden) options
- Always restore axis relative modes
- Use added `G92.9` to do position restores

Marlin/src/sd/cardreader.cpp

@@ -1030,6 +1030,7 @@ void CardReader::printingHasFinished() {
   // be zeroed and written instead of deleted.
   void CardReader::removeJobRecoveryFile() {
     if (jobRecoverFileExists()) {
+      recovery.init();
       removeFile(job_recovery_file_name);
       #if ENABLED(DEBUG_POWER_LOSS_RECOVERY)
         SERIAL_ECHOPGM("Power-loss file delete");