Fixes #19789 - fix Layout/SpaceAroundOperators cop

Fixes #19781 - Fix Layout/LeadingCommentSpace cop

Fixes #19894 - Fix Style/RedundantParentheses cop

Fixes #19839 - Fix Rails/Present cop

Fixes #21999,#22005 - Migrate toasts to pf-react

• Replace Alert and Toasts components with patternfly-react
• Refactor the server side flash-notification
• Allow rails-flah-notification to react-toast-notification with link

fixes #19479, #10587, #19500 - two pane notifications are visible

- notification is now inside the content div, allowing two-pane server
responses to include it.
- refactored all notifications to use notification helpers (notice,
warning and error) instead of direct flash manipulation...

Fixes #18045 - Puppet classes show up choosing only env.

After #3551 was merged, the hosts controller requires both environment
and hostgroup to be set in order to display puppetclasses.

It shouldn't be required to have both, so we should check what's
available and use it. If it's only the hostgroup or the environment, it...

Fixes #15403 - moved puppet to a concern in hosts UI controller