* Switch upstream-instances to use new style of searchable
* Add search action to DataCollection plus basic README
* Use DataCollection for PowerSelect searching in child-selectors
* Remove old style filterable search for role/policies and instances
* Remove old helpers/components related to search/sort/filter
* ui: Add predicate, comparator and necessary files for the search/sort
* Implement search and sort for upstream instance list
* ui: Tweak CSS so its all part of the component
* Remove the old proxy test attribute
* Remove Proxy Info and create Upstreams and Exposed Paths tabs
* Update routes formatting
* Update typo for Expose.Checks
* Remove, update, and add tests
* Make consul-upstream-instance-list into a glimmer component
* Create styling for upstream-instance-list component
John Cowen