"Numeric state" trigger editor: add a "filter_entity" context to "attribute" selector (#29778)

* add a "filter_entity" context to "attribute" selector

* remove unused variable

src/panels/config/automation/trigger/types/ha-automation-trigger-numeric_state.ts

@@ -27,7 +27,6 @@ export class HaNumericStateTrigger extends LitElement {
   private _schema = memoizeOne(
     (
       localize: LocalizeFunc,
-      entityId: string | string[],
       inputAboveIsEntity?: boolean,
       inputBelowIsEntity?: boolean
     ) =>
@@ -39,9 +38,9 @@ export class HaNumericStateTrigger extends LitElement {
         },
         {
           name: "attribute",
+          context: { filter_entity: "entity_id" },
           selector: {
             attribute: {
-              entity_id: entityId ? entityId[0] : undefined,
               hide_attributes: [
                 "access_token",
                 "auto_update",
@@ -275,7 +274,6 @@ export class HaNumericStateTrigger extends LitElement {
   public render() {
     const schema = this._schema(
       this.hass.localize,
-      this.trigger.entity_id,
       this._inputAboveIsEntity,
       this._inputBelowIsEntity
     );