LPS-48193 add a new `VIEW_KB_FEEDBACK` permission

Regular users shouldn't be able to see feedback.
LPS-48193 add skeleton page structure
LPS-48193 add status to feedback

Feedback can be in 3 different states: pending, in progress, and resolved.

We are not using the workflow to manage feedback state because we want
users to be able to manage it without forcing them to install Kaleo.
LPS-48193 add queries to get comments by state
LPS-48193 expose queries in local and non local services
LPS-48193 add listing for each feedback state
LPS-48193 add status transitions
LPS-48193 add feedback notification templates
LPS-48193 send notification when feedback is updated

When feedback is added or changes state, send a notification to the user
that created the feedback.
LPS-48193 add feedback configuration view

Allow admins to customize the email templates used for notifications.
LPS-48193 autogenerated
LPS-48193 add some space between action buttons and feeback body