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/components/identity/_popup-base.js

@@ -0,0 +1,40 @@
+import Ember from 'ember';
+const { assert, inject, Component } = Ember;
+
+export default Component.extend({
+  tagName: '',
+  flashMessages: inject.service(),
+  params: null,
+  successMessage() {
+    return 'Save was successful';
+  },
+  errorMessage() {
+    return 'There was an error saving';
+  },
+  onError(model) {
+    if (model && model.rollbackAttributes) {
+      model.rollbackAttributes();
+    }
+  },
+  onSuccess(){},
+  // override and return a promise
+  transaction() {
+    assert('override transaction call in an extension of popup-base', false);
+  },
+
+  actions: {
+    performTransaction() {
+      let args = [...arguments];
+      let messageArgs = this.messageArgs(...args);
+      return this.transaction(...args)
+        .then(() => {
+          this.get('onSuccess')();
+          this.get('flashMessages').success(this.successMessage(...messageArgs));
+        })
+        .catch(e => {
+          this.onError(...messageArgs);
+          this.get('flashMessages').success(this.errorMessage(e, ...messageArgs));
+        });
+    },
+  },
+});