Put boolean selector helper inside field (#21831)

src/components/ha-formfield.ts

@@ -18,9 +18,9 @@ export class HaFormfield extends FormfieldBase {
 
     return html` <div class="mdc-form-field ${classMap(classes)}">
       <slot></slot>
-      <label class="mdc-label" @click=${this._labelClick}
-        ><slot name="label">${this.label}</slot></label
-      >
+      <label class="mdc-label" @click=${this._labelClick}>
+        <slot name="label">${this.label}</slot>
+      </label>
     </div>`;
   }
 
@@ -57,13 +57,13 @@ export class HaFormfield extends FormfieldBase {
       }
       .mdc-form-field {
         align-items: var(--ha-formfield-align-items, center);
+        gap: 4px;
       }
       .mdc-form-field > label {
         direction: var(--direction);
         margin-inline-start: 0;
         margin-inline-end: auto;
-        padding-inline-start: 4px;
-        padding-inline-end: 0;
+        padding: 0;
       }
       :host([disabled]) label {
         color: var(--disabled-text-color);

src/components/ha-selector/ha-selector-boolean.ts

@@ -1,4 +1,4 @@
-import { css, CSSResultGroup, html, LitElement } from "lit";
+import { css, CSSResultGroup, html, LitElement, nothing } from "lit";
 import { customElement, property } from "lit/decorators";
 import { fireEvent } from "../../common/dom/fire_event";
 import { HomeAssistant } from "../../types";
@@ -28,10 +28,13 @@ export class HaBooleanSelector extends LitElement {
           @change=${this._handleChange}
           .disabled=${this.disabled}
         ></ha-switch>
+        <span slot="label">
+          <p class="primary">${this.label}</p>
+          ${this.helper
+            ? html`<p class="secondary">${this.helper}</p>`
+            : nothing}
+        </span>
       </ha-formfield>
-      ${this.helper
-        ? html`<ha-input-helper-text>${this.helper}</ha-input-helper-text>`
-        : ""}
     `;
   }
 
@@ -47,10 +50,21 @@ export class HaBooleanSelector extends LitElement {
     return css`
       ha-formfield {
         display: flex;
-        height: 56px;
+        min-height: 56px;
         align-items: center;
         --mdc-typography-body2-font-size: 1em;
       }
+      p {
+        margin: 0;
+      }
+      .secondary {
+        direction: var(--direction);
+        padding-top: 4px;
+        box-sizing: border-box;
+        color: var(--secondary-text-color);
+        font-size: 0.875rem;
+        font-weight: var(--mdc-typography-body2-font-weight, 400);
+      }
     `;
   }
 }