fixes #22467 - dashboard: list hosts in build mode

Fixes #19781 - Fix Layout/LeadingCommentSpace cop

Fixes #19848 - Set Style/Alias cop to prefer_alias_method

Fixes #23113 - Allow disabling of out of sync status

Fixes #22779 - Calculate out of sync host via origin interval (#5221)

Fixes #19772, #19773, #19774 - Fix some empty line cops

Fixes #21253 - fix latest events widget

fixes #19464 - rewrite Dashboard::Manager to support autoloading

Replaces class-level widget storage with a static list of built-in
widgets, then appends the registered plugin widgets to get the full
default list of widgets. As a result, the class can safely be reloaded...

fixes #19317, #10927 - move registries to autoload_once path

Partially reverts 70ce8fe to reinstate autoload_once_paths as the
preferred way to load registry-type objects with class variables
containing data set up during app initialisation (e.g. plugin
registrations, menu items.)...

Fixes #18893 - Improve latest events widget performance