fix: reset startInputType after form submission (#334)

After initial form submission, startInputType stayed as 'formInput' permanently,
causing subsequent text messages to send empty form objects instead of the user's
question. Reset startInputType to '' after form data is processed.

Author: SyncWithRaj

dist/components/Bot.d.ts.map

@@ -1253,6 +1253,8 @@ export const Bot = (botProps: BotProps & { class?: string }) => {
     if (startInputType() === 'formInput' && Object.keys(formData).length > 0) {
       body.form = formData;
       delete body.question;
+      // Reset after form submission so subsequent messages use question-based payload
+      setStartInputType('');
     }
 
     if (uploads && uploads.length > 0) body.uploads = uploads;