Add Qwen3 2507 Thinking models

[ysjprojects]

Qwen3 2507 update changes hybrid thinking mode to separate Thinking and Instruct models.

Models added:
Qwen/Qwen3-235B-A22B-Thinking-2507
Qwen/Qwen3-4B-Thinking-2507
Qwen/Qwen3-30B-A3B-Thinking-2507

closes #2112

[Borda]

@ysjprojects just checking it again and seems something was wrong with it:

FAILED tests/ext_thunder/test_unsloth_executor.py::test_unsloth_gpt - ValueError: Variable cos is being overwritten this is not allowed

[ysjprojects]

@ysjprojects just checking it again and seems something was wrong with it:

FAILED tests/ext_thunder/test_unsloth_executor.py::test_unsloth_gpt - ValueError: Variable cos is being overwritten this is not allowed

@Borda Will look into this, but I highly doubt it's related to this PR.

[Borda]

Will look into this, but I highly doubt it's related to this PR.

You are maybe right, just saw that the previous commit was fine...