fix(multipart): omit nil header string values and handle null objects in write_object_value - #833

fix(multipart): omit nil header string values and handle null objects in write_object_value#833

Vincent Biret (baywet) merged 7 commits into

microsoft:mainmicrosoft/kiota-python:mainfrom

hardikkaurani:fix/multipart-header-and-object-serializationhardikkaurani/kiota-python:fix/multipart-header-and-object-serializationCopy head branch name to clipboard