fix(tabs): corrige renderização das tabs no estado inicial do componente

As tabs eram inclúidas na lista dropdown antes da rotina que define a criação do dropdown com tabs ativas.

Fixes DTHFUI-9602

Author: pedrodominguesp

projects/app/src/app/app.component.html

@@ -1,3 +0,0 @@
-<i class="ph ph-sun"></i>
-
-<i class="ph ph-moon"></i>

projects/ui/src/lib/components/po-tabs/po-tabs.component.ts

@@ -283,10 +283,9 @@ export class PoTabsComponent extends PoTabsBaseComponent implements OnInit, Afte
     }
 
     if (this.tabsChildren) {
-      const _tabsChildren = this.tabsChildrenArray;
+      const _tabsChildren = [...this.tabsChildrenArray];
       if (initialState) {
         this.tabsDefault = _tabsChildren;
-        this.tabsDropdown = _tabsChildren;
       } else {
         this.tabsDefault = _tabsChildren.slice(0, this.quantityTabsButton);
         this.tabsDropdown = _tabsChildren.slice(this.quantityTabsButton);