Add group to domains that can be toggled (#2555)

* Add group to domains that can be toggled

* Group should call homeassistant.turn_on/turn_off

* entity id is not a attribute

* Oops...

src/common/const.ts

@@ -77,6 +77,7 @@ export const DOMAINS_TOGGLE = new Set([
   "input_boolean",
   "light",
   "switch",
+  "group",
 ]);
 
 /** Temperature units. */

src/panels/lovelace/entity-rows/hui-group-entity-row.ts

@@ -52,7 +52,7 @@ class HuiGroupEntityRow extends hassLocalizeLitMixin(LitElement)
     return html`
       <hui-generic-entity-row .hass="${this.hass}" .config="${this._config}">
         ${
-          this._computeCanToggle(stateObj.attributes.entity_id)
+          this._computeCanToggle(stateObj.entity_id)
             ? html`
                 <ha-entity-toggle
                   .hass="${this.hass}"