Can't edit multiple services with same name

[lucafwp]

Expected Behavior

As a user I would like to change some custom properties on a service on multiple hosts.

Current Behavior

At the moment, if you go to "Icinga Director >> Services >> Single Services" and select multiple services with the same name, only one service is actually selected:

Steps to Reproduce (for bugs)

• Create 2 hosts: host1, host2
• Create a service: service_test
• Add service_test on both hosts
• Go to "Icinga Director >> Services >> Single Services"
• Select service_test from the two hosts
• Edit some custom properties

Your Environment

The issue has been reproduces on icingaweb2 demo: https://icinga.com/demo

• Director version (System - About): 1.9.1
• Icinga Web 2 version and modules (System - About): 2.11.1
• Icinga 2 version (icinga2 --version): XX
• Operating System and version: XXX
• Webserver, PHP versions: XXX

[moreamazingnick]

#2497 #2599