fix(radio): remove label part when there's no text in the slot (#1482)

Author: didimmova

src/components/radio/radio.ts

@@ -189,6 +189,8 @@ export default class IgcRadioComponent extends FormAssociatedCheckboxRequiredMix
 
   protected override createRenderRoot() {
     const root = super.createRenderRoot();
+    this.hideLabel = isEmpty(this.label);
+
     root.addEventListener('slotchange', () => {
       this.hideLabel = isEmpty(this.label);
     });