[REF]: Change example to avoid 1 extra line when children of dropzone is an empty array

README.md

src/components/code-generator/InteractiveDemo.jsx

.../demo-components/dropzone-demo/AdvancedDropzoneCodeJS.jsx

...ts/demo-components/dropzone-demo/AdvancedDropzoneDemo.jsx

...nts/demo-components/dropzone-demo/BasicDropzoneCodeJS.jsx

...nents/demo-components/dropzone-demo/BasicDropzoneDemo.jsx

...omponents/dropzone-demo/CodeDemoDropzoneActionButtons.jsx

...onents/dropzone-demo/CodeDemoDropzoneCustomValidation.jsx

...components/dropzone-demo/CodeDemoDropzoneFooterConfig.jsx

...components/dropzone-demo/CodeDemoDropzoneHeaderConfig.jsx

...mo-components/dropzone-demo/CodeDemoDropzoneUploading.jsx

...o-components/dropzone-demo/CodeDemoDropzoneValidation.jsx

...mo-components/dropzone-demo/DemoDropzoneActionButtons.jsx

...components/dropzone-demo/DemoDropzoneCustomValidation.tsx

...emo-components/dropzone-demo/DemoDropzoneFooterConfig.jsx

...emo-components/dropzone-demo/DemoDropzoneHeaderConfig.jsx

...s/demo-components/dropzone-demo/DemoDropzoneUploading.jsx

.../demo-components/dropzone-demo/DemoDropzoneValidation.jsx

src/pages/demo/DropzoneDemoPage.jsx