UI - identity details (#4502)

* add popups
* add ability to disable entity and banner when entity is disabled
* re-add alias-popup template
* add accpetance tests for creating entities
* add more entity creation acceptance tests
* add delete to edit-form
* add more identity tests and associated selectors
* add onSuccess hook and use UnloadModel route mixins
* add ability to toggle entity disabling from the popover
* fix store list cache because unloadAll isn't synchronous
* fill out tests for identity items and aliases
* add ability to enable entity from the detail page
* toArray on the peekAll
* fix other tests/behavior that relied on a RecordArray
* adjust layout for disabled entity and label for disabling an entity on the edit form
* add item-details integration tests
* move disable field on the entity form
* use ghost buttons for delete in identity and policy edit forms
* adding computed macros for lazy capability fetching and using them in the identity models

ui/app/macros/lazy-capabilities.js

@@ -0,0 +1,25 @@
+import { queryRecord } from 'ember-computed-query';
+
+export function apiPath(strings, ...keys) {
+  return function(data) {
+    let dict = data || {};
+    let result = [strings[0]];
+    keys.forEach((key, i) => {
+      result.push(dict[key], strings[i + 1]);
+    });
+    return result.join('');
+  };
+}
+
+export default function() {
+  let [templateFn, ...keys] = arguments;
+  return queryRecord(
+    'capabilities',
+    context => {
+      return {
+        id: templateFn(context.getProperties(...keys)),
+      };
+    },
+    ...keys
+  );
+}