Fix yaml editor behavior of statistics graph card (#15742)

src/components/entity/ha-statistic-picker.ts

@@ -30,6 +30,9 @@ export class HaStatisticPicker extends LitElement {
   @property({ attribute: "statistic-types" })
   public statisticTypes?: "mean" | "sum";
 
+  @property({ type: Boolean, attribute: "allow-custom-entity" })
+  public allowCustomEntity;
+
   @property({ type: Array }) public statisticIds?: StatisticsMetaData[];
 
   @property({ type: Boolean }) public disabled?: boolean;
@@ -245,6 +248,7 @@ export class HaStatisticPicker extends LitElement {
         .value=${this._value}
         .renderer=${this._rowRenderer}
         .disabled=${this.disabled}
+        .allowCustomValue=${this.allowCustomEntity}
         item-value-path="id"
         item-id-path="id"
         item-label-path="name"

src/components/entity/ha-statistics-picker.ts

@@ -22,6 +22,9 @@ class HaStatisticsPicker extends LitElement {
   @property({ attribute: "pick-statistic-label" })
   public pickStatisticLabel?: string;
 
+  @property({ type: Boolean, attribute: "allow-custom-entity" })
+  public allowCustomEntity;
+
   /**
    * Show only statistics natively stored with these units of measurements.
    * @attr include-statistics-unit-of-measurement
@@ -88,6 +91,7 @@ class HaStatisticsPicker extends LitElement {
               .statisticTypes=${includeStatisticTypesCurrent}
               .statisticIds=${this.statisticIds}
               .label=${this.pickedStatisticLabel}
+              .allowCustomEntity=${this.allowCustomEntity}
               @value-changed=${this._statisticChanged}
             ></ha-statistic-picker>
           </div>
@@ -103,6 +107,7 @@ class HaStatisticsPicker extends LitElement {
           .statisticTypes=${this.statisticTypes}
           .statisticIds=${this.statisticIds}
           .label=${this.pickStatisticLabel}
+          .allowCustomEntity=${this.allowCustomEntity}
           @value-changed=${this._addStatistic}
         ></ha-statistic-picker>
       </div>

src/panels/lovelace/editor/config-elements/hui-statistics-graph-card-editor.ts

@@ -274,6 +274,7 @@ export class HuiStatisticsGraphCardEditor
         @value-changed=${this._valueChanged}
       ></ha-form>
         <ha-statistics-picker
+          allow-custom-entity
           .hass=${this.hass}
           .pickStatisticLabel=${this.hass!.localize(
             "ui.panel.lovelace.editor.card.statistics-graph.pick_statistic"