fix: allow content: null in ElicitResult for cancel/decline responses#967

amannirala13 wants to merge 3 commits intomodelcontextprotocol:mainmodelcontextprotocol/typescript-sdk:mainfrom

amannirala13:fix/elicit-result-content-null-validationamannirala13/typescript-sdk:fix/elicit-result-content-null-validationCopy head branch name to clipboard