Fix `convert_rope_params_to_dict` so it uses `rope_theta` from the config (#43766)
* Fix `convert_rope_params_to_dict` so it uses config attrs
Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>
* review comment
Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>
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Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>