Refs #18554 - Revert cache removal

This reverts commit 23b60a176974307244665c1c190424d5667a2ccc.

Fixes #18554 - skip collection_cache_lookup on authorized_for

The call to `authorized_for` can take multiple seconds in some cases,
leading to performance issues.

This patch will bypass the cache lookup, resulting in similar times for
admins and non-admins when viewing pages with lots of hosts.

fixes #17533 - provision dhcp for bond child macs

fixes #18565 - move constantize inside access permission tests

Matches normal test loading so constants (and source files) are only
loaded when the test is executed. Syntax errors will then cause a
failure for tests loading the file instead of outside the test process.

Fixes #12294 - Update existing params using API

fixes #18568 - replace deprecated AC::Parameters#update

The #update method in Rails 5 is returning a HWIA rather than the
ActionController::Parameters instance, causing keep_param to return the
wrong object type. It is also deprecated in 5.0, so replace it with a...

Fixes #7495 - Create/delete autosign entries via API

fixes #18540 - update domain on primary in hosts_count tests

domain/domain_id are not attributes of the host itself, they're
delegated to the primary interface. When using update_attribute on the
host, the model doesn't appear `changed?` so Rails 5 skips the save....

Fixes #18227 - clean up variables after rendering

fixes #18489 - test AuthSourceLdap missing and blank passwords

After 2348fc8e, providing an empty password during update would erase
the existing password. Other resource type tests were updated, but not
AuthSourceLdap, so these now reflect the current behaviour....