Update spacing

Author: youda97

src/radio/radio-group.component.ts

@@ -366,11 +366,9 @@ export class RadioGroup implements OnInit, AfterContentInit, ControlValueAccesso
 	}
 
 	updateFocusableRadio() {
-		if (this.radios &&
-			!this.radios.some(radio => radio.checked)) {
-
+		if (this.radios && !this.radios.some(radio => radio.checked)) {
 			this.radios.forEach(radio => radio.needsToBeFocusable = false);
-			this.radios.toArray()[0].needsToBeFocusable = true;
+			this.radios.first.needsToBeFocusable = true;
 			this.radios.forEach(radio => radio.changeDetectorRef.detectChanges());
 		}
 	}