Fix issue with radio widget crashing (#922)

* fix types

* Options Validaor checks for empty values

Fixes: #662

Co-authored-by: Sanchit Jain <171220040@nitdelhi.ac.in>

app/client/src/components/designSystems/blueprint/RadioGroupComponent.tsx

@@ -58,7 +58,7 @@ class RadioGroupComponent extends React.Component<RadioGroupComponentProps> {
                 className={this.props.isLoading ? "bp3-skeleton" : ""}
                 label={option.label}
                 value={option.value}
-                key={option.id}
+                key={option.value}
               />
             );
           })}

app/client/src/utils/Validators.ts

@@ -365,7 +365,12 @@ export const VALIDATORS: Record<ValidationType, Validator> = {
     }
     const hasOptions = _.every(parsed, (datum: { label: any; value: any }) => {
       if (_.isObject(datum)) {
-        return _.isString(datum.label) && _.isString(datum.value);
+        return (
+            _.isString(datum.label) 
+            && _.isString(datum.value) 
+            && !_.isEmpty(datum.label) 
+            && !_.isEmpty(datum.value)
+        );
       } else {
         return false;
       }

app/client/src/widgets/RadioGroupWidget.tsx

@@ -84,7 +84,6 @@ class RadioGroupWidget extends BaseWidget<RadioGroupWidgetProps, WidgetState> {
 export interface RadioOption {
   label: string;
   value: string;
-  id: string;
 }
 
 export interface RadioGroupWidgetProps extends WidgetProps {