fix: Expand templates in stock elements (#2199)

- Related: #2193

src/card-controller/actions/actions-manager.ts

@@ -91,7 +91,7 @@ export class ActionsManager implements ActionsExecutor {
   /**
    * This method is called when an ll-custom event is fired. This is used by
    * cards to fire custom actions. This card itself should not call this, but
-   * embedded elements may.
+   * embedded picture elements may.
    */
   public handleCustomActionEvent = async (
     ev: Event | CustomEvent<ActionConfig>,
@@ -111,7 +111,11 @@ export class ActionsManager implements ActionsExecutor {
       return;
     }
 
-    await this.executeActions({ actions: action });
+    await this.executeActions(
+      { actions: action },
+      // Elements rendered by this card will already have rendered templates.
+      true,
+    );
   };
 
   /**
@@ -129,10 +133,13 @@ export class ActionsManager implements ActionsExecutor {
     await allPromises(this._actionsInFlight, (actionSet) => actionSet.stop());
   }
 
-  public async executeActions(request: ActionsExecutionRequest): Promise<void> {
+  public async executeActions(
+    request: ActionsExecutionRequest,
+    renderTemplates = true,
+  ): Promise<void> {
     const hass = this._api.getHASSManager().getHASS();
     const renderedAction: ActionConfig | ActionConfig[] =
-      hass && this._templateRenderer
+      renderTemplates && hass && this._templateRenderer
         ? (this._templateRenderer.renderRecursively(hass, request.actions, {
             conditionState: this._api.getConditionStateManager().getState(),
             triggerData: request?.triggerData,

src/card-controller/templates/index.ts

@@ -20,15 +20,17 @@ interface TemplateContext {
   acc: TemplateContextInternal;
 }
 
+interface TemplateRenderOptions {
+  conditionState?: ConditionState;
+  triggerData?: ConditionsTriggerData;
+  mediaData?: TemplateMediaData;
+}
+
 export class TemplateRenderer {
   public renderRecursively = (
     hass: HomeAssistant,
     data: unknown,
-    options?: {
-      conditionState?: ConditionState;
-      triggerData?: ConditionsTriggerData;
-      mediaData?: TemplateMediaData;
-    },
+    options?: TemplateRenderOptions,
   ): unknown => {
     return this._renderTemplateRecursively(
       hass,
@@ -37,11 +39,9 @@ export class TemplateRenderer {
     );
   };
 
-  protected _generateTemplateContext(options?: {
-    conditionState?: ConditionState;
-    triggerData?: ConditionsTriggerData;
-    mediaData?: TemplateMediaData;
-  }): TemplateContext | undefined {
+  protected _generateTemplateContext(
+    options?: TemplateRenderOptions,
+  ): TemplateContext | undefined {
     if (
       !options?.conditionState?.camera &&
       !options?.conditionState?.view &&