Fixes #19384 - Add tooltip to the Remove Matcher button

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 #19483 - use #admin? method to check inherited admin flags

Fixes #18995, #18996 - visible_environments works w/o taxonomies

fixes #19476 - list features in smart proxy refresh API response

templates - sync from community-templates

i18n - extracting new, pulling from tx

fixes #14178 - Introduce patternfly toast notifications

fixes #14178 - introduce patternfly toast notifications

- replaces old jnoitfy with react implementation.
- Adds a notification store to handle events from
rails flash + legacy javascript Notice function and expose
an Action API to add notifications.

Fixes #19436 - Better controller selection on host dropdown (#4498)

Always setting to `host` unless the controller is `hostgroup` broke
discovery's usage of the form as it uses the `discoverd_host`
controller.
This reverts the change from `method_path` to `host_or_hostgroup_path`...