Fixes #17894 - load needed dependent api param group

when rendering facet api param docs
(cherry picked from commit 61ccbc34b4a69682b56ac67dbf0aedc5b71cc27f)

Fixes #15287 - Correct link from puppet proxy dashboard chart

(cherry picked from commit 41be22a16ba8dbcf17e11661d4eb3fbe9f755a1d)

fixes #17407 - add a new hosts dashboard widget

(cherry picked from commit b907bcc44e547a1f32a76c7f680270922a4ffe40)

Fixes #17343 - set deep munge config off

deep_munge was introduced as a solution to keep
Rails secure by default which results in
'empty array becomes nil in params'.
Thats why, set deep_munge config off in application.rb.
Also, added changes which will cast param argument to string...

Fixes #16739 - unify parameters permissions

Fixes #17403 - enable exporting of templates

Fixes #14688 - Power status visible on hosts index page

fixes #17409 - show only real bmc power actions

Fixes #17309 - Made facets resilient to class reloading

Now the configuration is stored in plugin declaration.
If you are using `Facets.register` directly, please make sure
you are re-registering it after reload occurs.

fixes #17354 - test and improve idempotency of OS fact parser