fix(Icon): remove defaultProps in favour of default values

This was causing a warning in repositories with React version >= 18.3 since
defaultProps will be removed from function components in a future major
release (we could indeed check whether it is the case in React 19).

Slack: https://skypicker.slack.com/archives/C7T7QG7M5/p1719574765630519

packages/orbit-components/src/Icon/index.tsx

@@ -27,19 +27,18 @@ export const iconColorClasses: Record<ICON_COLORS, string> = {
   [ICON_COLORS.CRITICAL]: "text-icon-critical-foreground",
 };
 
-const OrbitIcon = (props: FactoryProps) => {
-  const {
-    size = ICON_SIZES.MEDIUM,
-    color,
-    customColor,
-    className,
-    children,
-    viewBox,
-    dataTest,
-    ariaHidden,
-    reverseOnRtl,
-    ariaLabel,
-  } = props;
+const OrbitIcon = ({
+  size = ICON_SIZES.MEDIUM,
+  color,
+  customColor,
+  className,
+  children,
+  viewBox,
+  dataTest,
+  ariaHidden,
+  reverseOnRtl,
+  ariaLabel,
+}: FactoryProps) => {
   return (
     <svg
       className={cx(
@@ -64,8 +63,4 @@ const OrbitIcon = (props: FactoryProps) => {
   );
 };
 
-OrbitIcon.defaultProps = {
-  size: ICON_SIZES.MEDIUM,
-};
-
 export default OrbitIcon;