fix: correct the openai model features

[Nov1c444]

Related Issues or Context

Related PR: langgenius/dify-plugin-sdks#192

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Change the system prompt type of GPT models after o1 to developer prompt type

References:
https://cdn.openai.com/spec/model-spec-2024-05-08.html#follow-the-chain-of-command
https://platform.openai.com/docs/guides/reasoning-best-practices#how-to-prompt-reasoning-models-effectively

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Remove incorrect JSON object support for o1-mini and tool call support for ChatGPT-4o based on OpenAI documentation.
Changes:

Removed json_object response format support for o1-mini (not supported in current o1 series models)
Removed tool calling capabilities for ChatGPT-4o (tool calls not supported in this model variant)

References:

https://platform.openai.com/docs/models/chatgpt-4o-latest
https://platform.openai.com/docs/models/o1-mini

This PR contains Changes to Non-Plugin

• Documentation
• Other

This PR contains Changes to Non-LLM Models Plugin

• I have Run Comprehensive Tests Relevant to My Changes

This PR contains Changes to LLM Models Plugin

• My Changes Affect Message Flow Handling (System Messages and User→Assistant Turn-Taking)

• My Changes Affect Tool Interaction Flow (Multi-Round Usage and Output Handling, for both Agent App and Agent Node)

• My Changes Affect Multimodal Input Handling (Images, PDFs, Audio, Video, etc.)

• My Changes Affect Multimodal Output Generation (Images, Audio, Video, etc.)

• My Changes Affect Structured Output Format (JSON, XML, etc.)

• My Changes Affect Token Consumption Metrics

• My Changes Affect Other LLM Functionalities (Reasoning Process, Grounding, Prompt Caching, etc.)

• Other Changes (Add New Models, Fix Model Parameters etc.)

Version Control (Any Changes to the Plugin Will Require Bumping the Version)

• I have Bumped Up the Version in Manifest.yaml (Top-Level Version Field, Not in Meta Section)

Dify Plugin SDK Version

• I have Ensured dify_plugin>=0.3.0,<0.5.0 is in requirements.txt (SDK docs)

Environment Verification (If Any Code Changes)

Local Deployment Environment

• Dify Version is: , I have Tested My Changes on Local Deployment Dify with a Clean Environment That Matches the Production Configuration.

SaaS Environment

• I have Tested My Changes on cloud.dify.ai with a Clean Environment That Matches the Production Configuration