fix(openai/0.x): handle OpenRouter image generation responses#8880

Christian Bromann (christian-bromann) merged 2 commits into

mainlangchain-ai/langchainjs:mainfrom

cb/openai-router-image-response-support-v0.xlangchain-ai/langchainjs:cb/openai-router-image-response-support-v0.xCopy head branch name to clipboard