Fix potential inconsistency when running ndb_restore due to faulty parsing
    of backup log wrt inserts


ndb/src/kernel/blocks/backup/Backup.cpp:
  Make sure that entire stopGCP is in log
ndb/tools/restore/Restore.cpp:
  
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ndb/tools/restore/Restore.hpp:
  Keep track of last gci to next iteration
ndb/tools/restore/consumer_restore.cpp:
  Handle insert in log
  Only allow certain errors