CharCounter now working with emojis (16-bit code) (#2570)

* CharCounter now working with emojis (16-bit code)

* Fixed review notes

Author: adids1221

src/incubator/TextField/CharCounter.tsx

@@ -7,13 +7,14 @@ import {CharCounterProps} from './types';
 
 const CharCounter = ({maxLength, charCounterStyle, testID}: CharCounterProps) => {
   const {value} = useContext(FieldContext);
+  const length = value?.length ?? 0;
   if (_.isUndefined(maxLength)) {
     return null;
   }
 
   return (
     <Text $textNeutral style={[styles.container, charCounterStyle]} testID={testID}>
-      {`${_.size(value)}/${maxLength}`}
+      {`${length}/${maxLength}`}
     </Text>
   );
 };