MOBILE-3464 tabs: Add a setTimeout to get the right height in iOS

src/components/tabs/tabs.ts

@@ -132,7 +132,7 @@ export class CoreTabsComponent implements OnInit, AfterViewInit, OnChanges, OnDe
             this.initializeTabs();
         }
 
-        this.resizeFunction = this.calculateSlides.bind(this);
+        this.resizeFunction = this.windowResized.bind(this);
 
         window.addEventListener('resize', this.resizeFunction);
     }
@@ -632,6 +632,15 @@ export class CoreTabsComponent implements OnInit, AfterViewInit, OnChanges, OnDe
         });
     }
 
+    /**
+     * Adapt tabs to a window resize.
+     */
+    protected windowResized(): void {
+        setTimeout(() => {
+            this.calculateSlides();
+        });
+    }
+
     /**
      * Component destroyed.
      */