`show_idx_doc_sources_all_k8sns_cnts_hourly` has wrapping error when a NS stops showing up logs

[slmingol]

show_idx_doc_sources_all_k8sns_cnts_hourly has wrapping error when a NS stops showing up logs.

$ show_idx_doc_sources_all_k8sns_cnts_hourly p filebeat-*


k8s document sources (counts - hourly)
======================================



k8sns              totalDocs   2020-10-14T15:00:00.000Z  2020-10-14T16:00:00.000Z  2020-10-14T17:00:00.000Z          2020-10-14T18:00:00.000Z
==========         ==========  ==========                ==========                ==========                        ==========
stirrer            112812489   23880880                  37491000                  37719489                          13721120
vapor              61037642    12914713                  20275057                  20410211                          7437661
http-voice-v2      52660251    11976760                  17857842                  17210808                          5614841
mdr-generator      27406411    5193058                   9096832                   9381291                           3735230
mdr-generator-uat  27239228    5122232                   9036371                   9340096                           3740529
fraud-staging      24777913    22862320                  1915593                   mdr-generator-prod                24416603
4662995            8117025     8363799                   3272784                   message-search                    21106360
...