fix(deepseek): reset tool_choice handling to prevent infinite loop when returnDirect=false (#4617)#4649

kuntal1461 wants to merge 4 commits intospring-projects:mainspring-projects/spring-ai:mainfrom

kuntal1461:fix/deepseekchatmodel-toolchoice-loop-4617kuntal1461/spring-ai:fix/deepseekchatmodel-toolchoice-loop-4617Copy head branch name to clipboard