Koenig - Update {{koenig-card-html}} to use new {{koenig-card}} container

refs https://github.com/TryGhost/Ghost/issues/9311
- wraps embed card in same container as the markdown card to handle mouse selection/edit toggles etc
- add render mode to embed card
- autofocus CodeMirror editor when switching to edit mode
- fix incorrect pointer on cards

ghost/admin/app/components/gh-cm-editor.js

@@ -21,6 +21,7 @@ const CmEditorComponent = Component.extend(InvokeActionMixin, {
     indentUnit: 4,
     mode: 'htmlmixed',
     theme: 'xq-light',
+    autofocus: false,
 
     _editor: null, // reference to CodeMirror editor
     _value: boundOneWay('value'), // make sure a value exists

ghost/admin/app/styles/components/koenig.css

@@ -384,7 +384,7 @@
     width: calc(100% + 60px);
     margin-left: -50px;
     max-width: none;
-    cursor: pointer;
+    cursor: default;
     caret-color: auto; /* override hidden cursors around cards */
 }
 

ghost/admin/lib/koenig-editor/addon/components/koenig-card-html.js

@@ -3,10 +3,14 @@ import layout from '../templates/components/koenig-card-html';
 import {set} from '@ember/object';
 
 export default Component.extend({
-    tagName: '',
     layout,
 
+    // attrs
     payload: null,
+    isSelected: false,
+    isEditing: false,
+
+    // closure actions
     saveCard: null,
 
     init() {

ghost/admin/lib/koenig-editor/addon/templates/components/koenig-card-html.hbs

@@ -1,4 +1,17 @@
+{{#koenig-card
+    icon="koenig/embed"
+    isSelected=isSelected
+    isEditing=isEditing
+    selectCard=(action selectCard)
+    editCard=(action editCard)
+}}
+    {{#if isEditing}}
         {{gh-cm-editor payload.html
             class="koenig-card-html--editor"
+            autofocus=true
             update=(action "updateHtml")
         }}
+    {{else}}
+        {{{payload.html}}}
+    {{/if}}
+{{/koenig-card}}

ghost/admin/lib/koenig-editor/addon/templates/components/koenig-card-markdown.hbs

@@ -1,6 +1,5 @@
 {{#koenig-card
     icon="koenig/markdown"
-    toolbar=toolbar
     isSelected=isSelected
     isEditing=isEditing
     onEnterEdit=(action "enterEditMode")