Description of problem:

Having a host registered with a domain name ending with '.ics', we can't load the properties of such host.

How reproducible:

Always

Is this issue a regression from an earlier version:

Not sure

Steps to Reproduce:

1. Create a host with a domain name ending with '.ics'. Example: host.example.ics

2. Register this system against satellite

3. Go to the Satellite webUI -> Hosts -> All hosts and click over the host 

Actual behavior:
WebUI returns an error and a backtrace on the logs.

Expected behavior:
Load the host properties

Business Impact / Additional info:

QE Tracker for https://issues.redhat.com/browse/SAT-26202