fix: keep React import as value (not type-only) for JSX

React needs to be imported as a value for JSX when tsconfig jsx is set to 'react'

Author: devin-ai-integration[bot]

src/components/NotebookPicker.tsx

@@ -3,7 +3,7 @@ import type { NotebookPanel } from '@jupyterlab/notebook'
 import { HTMLSelect } from '@jupyterlab/ui-components'
 import { type Message, MessageLoop } from '@lumino/messaging'
 import { Widget } from '@lumino/widgets'
-import type React from 'react'
+import React from 'react'
 import { deepnoteMetadataSchema } from '../types'
 
 export class NotebookPicker extends ReactWidget {