fix: route RequestBodyPlainText to request_body_data instead of request_body_json #4629

Job	Run time
Get Changes	3s
Check: source-hardcoded-records	2m 47s
Check: source-intercom	4m 36s
Check: destination-motherduck	3m 22s
Check: source-pokeapi	1m 56s
Check: source-shopify	5h 48m 38s
Skipped Check: source-google-drive	5s
	6h 1m 27s

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