Add Content-Type to Request Header in Task SDK calls, fix logic#59676
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After we deployed Airflow 3.1.5 to our environment @AutomationDev85 and me noticed that still the WAF rules hit the deployment and debugging one level deeper revealed a logic problem of the fix applied in #57377:
The call from base class
patch()to the extendedClientfrom TaskSDK uses actually (empty) kwargs for content and header (e.g. passingcontent=Noneandheader=Nonewhich then made the header not applied. See also https://github.com/encode/httpx/blob/master/httpx/_client.py#L1221This PR corrects the logic to check for "if any content is to be submitted" and "No header for content type set". With this the content-type header is now consistently applied making our WAF happy.