Add EE label to cloud storage sections of the dump and load commands (#1752)

Author: NataliaIvakina

modules/ROOT/pages/backup-restore/offline-backup.adoc

@@ -121,6 +121,7 @@ The target directory must exist before running the command and the database must
 bin/neo4j-admin database dump neo4j --to-path=/full/path/to/dumps
 ----
 
+[role=enterprise-edition]
 [[offline-backup-cloud-storage]]
 === Dump a database to a folder located in a cloud storage
 

modules/ROOT/pages/backup-restore/restore-dump.adoc

@@ -158,6 +158,7 @@ The following example shows how to designate a specific archive for the `load` c
 cat foo.dump | neo4j-admin database load --from-stdin mydatabase
 ----
 
+[role=enterprise-edition]
 [[load-dump-cloud-storage]]
 === Load a dump from a cloud storage