Use babies in handler for arangorestore.
Use babies in handler for arangorestore.

This fixes bad performance and corresponding errors due to timeouts
in the cluster case with synchronous replication in the restored
collections.

Simran-B/arangodb,arangodb/arangodb,m0ppers/arangodb,joerg84/arangodb,graetzer/arangodb,joerg84/arangodb,graetzer/arangodb,joerg84/arangodb,Simran-B/arangodb,baslr/ArangoDB,arangodb/arangodb,hkernbach/arangodb,graetzer/arangodb,m0ppers/arangodb,Simran-B/arangodb,fceller/arangodb,wiltonlazary/arangodb,graetzer/arangodb,baslr/ArangoDB,wiltonlazary/arangodb,Simran-B/arangodb,m0ppers/arangodb,hkernbach/arangodb,wiltonlazary/arangodb,fceller/arangodb,m0ppers/arangodb,fceller/arangodb,graetzer/arangodb,wiltonlazary/arangodb,hkernbach/arangodb,hkernbach/arangodb,baslr/ArangoDB,baslr/ArangoDB,baslr/ArangoDB,baslr/ArangoDB,graetzer/arangodb,graetzer/arangodb,graetzer/arangodb,m0ppers/arangodb,m0ppers/arangodb,Simran-B/arangodb,baslr/ArangoDB,hkernbach/arangodb,hkernbach/arangodb,joerg84/arangodb,arangodb/arangodb,hkernbach/arangodb,graetzer/arangodb,joerg84/arangodb,Simran-B/arangodb,arangodb/arangodb,Simran-B/arangodb,joerg84/arangodb,baslr/ArangoDB,fceller/arangodb,baslr/ArangoDB,graetzer/arangodb,Simran-B/arangodb,baslr/ArangoDB,hkernbach/arangodb,arangodb/arangodb,baslr/ArangoDB,joerg84/arangodb,arangodb/arangodb,fceller/arangodb,wiltonlazary/arangodb,arangodb/arangodb,wiltonlazary/arangodb,graetzer/arangodb,baslr/ArangoDB,m0ppers/arangodb,graetzer/arangodb,fceller/arangodb,joerg84/arangodb,hkernbach/arangodb,m0ppers/arangodb,m0ppers/arangodb,graetzer/arangodb,fceller/arangodb,baslr/ArangoDB,arangodb/arangodb,baslr/ArangoDB,joerg84/arangodb,hkernbach/arangodb,joerg84/arangodb,joerg84/arangodb,fceller/arangodb,hkernbach/arangodb,m0ppers/arangodb,hkernbach/arangodb,m0ppers/arangodb,joerg84/arangodb,m0ppers/arangodb,m0ppers/arangodb,hkernbach/arangodb,joerg84/arangodb,Simran-B/arangodb,joerg84/arangodb,fceller/arangodb,wiltonlazary/arangodb,graetzer/arangodb,Simran-B/arangodb,wiltonlazary/arangodb,fceller/arangodb,hkernbach/arangodb