Add new GPT-5 models

[versus666jzx]

Describe the need of your request

Add the ability to select new GPT-5 models from OpenAI provider

Proposed solution

No response

Additional context

No response

[dsmurl]

Ive tried this with custom openAi provider too and just passing gpt-5 and for some reason, proxyAi in WebStorm defaults back to gpt-4 still. Something is wrong with teh custom settings too.

[kosail]

Looking forward to this.