- introduce copy() method to the ChatOptions.
- make sure that the DefaultChatClientRequestSpec takes a copy of the input chat options to prevent multation.
- add a OpenAiChatClientMultipleFunctionCallsIT to reproduce the problem and verify the solution.
Resolves #1064
Comment From: tzolov
Resolved by 018bb2c60056c323f0119d12bae2f90d942d59d1 and edf943ec97b30cfaf718066f16adb84a26755e84