Add clear filter button to individual filters (#20343)

src/components/ha-filter-entities.ts

@@ -1,3 +1,4 @@
+import { mdiFilterVariantRemove } from "@mdi/js";
 import {
   css,
   CSSResultGroup,
@@ -55,7 +56,11 @@ export class HaFilterEntities extends LitElement {
         <div slot="header" class="header">
           ${this.hass.localize("ui.panel.config.entities.caption")}
           ${this.value?.length
-            ? html`<div class="badge">${this.value?.length}</div>`
+            ? html`<div class="badge">${this.value?.length}</div>
+                <ha-icon-button
+                  .path=${mdiFilterVariantRemove}
+                  @click=${this._clearFilter}
+                ></ha-icon-button>`
             : nothing}
         </div>
         ${this._shouldRender
@@ -204,6 +209,15 @@ export class HaFilterEntities extends LitElement {
     });
   }
 
+  private _clearFilter(ev) {
+    ev.preventDefault();
+    this.value = undefined;
+    fireEvent(this, "data-table-filter-changed", {
+      value: undefined,
+      items: undefined,
+    });
+  }
+
   static get styles(): CSSResultGroup {
     return [
       haStyleScrollbar,
@@ -223,6 +237,10 @@ export class HaFilterEntities extends LitElement {
           display: flex;
           align-items: center;
         }
+        .header ha-icon-button {
+          margin-inline-start: auto;
+          margin-inline-end: 8px;
+        }
         .badge {
           display: inline-block;
           margin-left: 8px;