docs(playgrounds): update angular to standalone (#3981)

Co-authored-by: Brandy Carney <[email protected]>

Author: brandyscarney

docs/api/infinite-scroll.md

@@ -21,6 +21,8 @@ The Infinite Scroll component calls an action to be performed when the user scro
 
 The expression assigned to the `ionInfinite` event is called when the user reaches that defined distance. When this expression has finished any and all tasks, it should call the `complete()` method on the infinite scroll instance.
 
+## Basic Usage
+
 import Basic from '@site/static/usage/v8/infinite-scroll/basic/index.md';
 
 <Basic />
@@ -118,4 +120,4 @@ interface InfiniteScrollCustomEvent extends CustomEvent {
 <CustomProps />
 
 ## Slots
-<Slots />
+<Slots />

docs/api/reorder.md

@@ -67,7 +67,7 @@ In order to sort the array upon completion of the reorder, the array should be p
 
 In some cases, it may be necessary for an app to reorder both the array and the DOM nodes on its own. If this is required, `false` should be passed as a parameter to the `complete` method. This will prevent Ionic from reordering any DOM nodes inside of the reorder group.
 
-Regardless of the approach taken, a stable identity should be provided to reorder items if provided in a loop. This means using `trackBy` for Angular, and `key` for React and Vue.
+Regardless of the approach taken, a stable identity should be provided to reorder items if provided in a loop. This means using `track` for Angular, and `key` for React and Vue.
 
 import UpdatingData from '@site/static/usage/v8/reorder/updating-data/index.md';