fixes #16866 - don't call orchestration skip if unattended is off

(cherry picked from commit 525e321360fe8e26823a683eb76744d36b32efc2)

fixes #17041 - skips orchestration when importing facts

The orchestration callbacks only run if unless :skip_orchestration?,
however skip_orchestration? is not a method for Nic::Managed causing the
callbacks to always run, even if importing facts.

(cherry picked from commit a390cfb73dd55ed6735e9f8916699dc15415ce03)

fixes #16749 - improve NIC update performance during fact imports

- In get_facts_for_interface, replace regexes in hash key filtering
with simple String methods and simplify hash construction
- Change logger.debug to lazy evaluation for production performance,...

Fixes #16449 - reordered taxonomy detection during import

(cherry picked from commit c49eb07f93f6821d7a7cad518ef537cd9ca41478)

fixes #16547 - handle nil value from get_interface_scope

Since 7b75a6a, get_interface_scope may return no scope for managed hosts
when importing a physical interface not already known by MAC address.
(cherry picked from commit dc2126790aeaa0160f7e9ae6f8f86319b9f60e3d)

Fixes #16532 - fixed hostgroup architecture params

(cherry picked from commit 1e180a50e0d94d90670a3ad4271be94ebc29d6a1)

Fixes #16424 - extracted create_new_host_when_facts_are_uploaded

(cherry picked from commit f0e9c7769eeaca238536f42e991508f372729a83)

fixes #15590 - ipv6 tftp orchestration

Fixes #14771 - Show corresponding os list for arch

Fixes #12634 - New HW Model flag pxe_loader

Implementation of

https://github.com/theforeman/rfcs/blob/master/text/0001-PXE-Booting-UEFI.md

In short, new host/hostgroup flag PXE loader is added to specify TFTP
DHCP filename and Foreman now orchestrates all PXE-capable templates...