AW-7266 NG0956: The configured tracking expression (track by identity) caused re-creation of the entire collection

projects/common-map/src/fm-map/components/aol/layer-list/layer-list.component.html

@@ -2,7 +2,7 @@
   @if (itemLayers.length > 0) {
     <div class="layerlist">
       <div class="list-group">
-        @for (itemLayer of itemLayers; track itemLayer) {
+        @for (itemLayer of itemLayers; track itemLayer.item.code) {
           <div class="list-group-item list-group-item-action p-2 text-truncate" [ngClass]="{'active' : selectedLayer==itemLayer}">
             <div (click)="handleSelectLayer($event,itemLayer)"  [title]="itemLayer.item.name">{{itemLayer.item.name}}</div>
             @if (selectedLayer==itemLayer && !baseLayers) {