* Enhanced rest api body to accept raw input instead of raw json.
* Changed content type from application/json to text/json and changed copywrite to RAW.
* Changed rest api body toggle label from 'RAW' to 'Raw'.
* Added request label for static REST API data source.
* Fixed issue where GET query failed since body was undefined.
* Integrated json_body to add backward compatibility.
* Removed console logs.
* Added support for 'text/json' type in checkIfContentTypeIsJson function.
* Made changes according to new frontend architecture in v3.
* Fixed request URL field overflow issue.
---------
Co-authored-by: Akshay Sasidharan <akshaysasidharan93@gmail.com>