fix: example value is not showed if it is false

Author: RomanHotsiy

src/components/Fields/FieldDetail.tsx

@@ -12,7 +12,7 @@ export class FieldDetail extends React.PureComponent<FieldDetailProps> {
     return (
       <div>
         <FieldLabel> {this.props.label} </FieldLabel>{' '}
-        <ExampleValue> {this.props.value} </ExampleValue>
+        <ExampleValue> {JSON.stringify(this.props.value)} </ExampleValue>
       </div>
     );
   }

src/services/models/Field.ts

@@ -35,8 +35,7 @@ export class FieldModel {
     this.schema = new SchemaModel(parser, info.schema || {}, schemaPointer, options);
     this.description =
       info.description === undefined ? this.schema.description || '' : info.description;
-    const example = info.example || this.schema.example;
-    this.example = example && JSON.stringify(example);
+    this.example = info.example || this.schema.example;
 
     this.deprecated = info.deprecated === undefined ? !!this.schema.deprecated : info.deprecated;
     parser.exitRef(infoOrRef);