Fix arch_param deprecated

[Louis-Dupont]

No description provided.

[shaydeci]

LGTM.
Is there anywhere else we should apply this decorator @ofrimasad @danbochman ?

[BloodAxe]

I think we really need to add some tests to ensure it is working as expected and not cause any side-effects. I will add these

[BloodAxe]

Added some tests to ensure we covered all edge cases. And improved warning text with more clear message and direct action points to fix the issue:

[2023-05-25 13:50:00] WARNING - utils.py - The CustomizableDetector.__init__ received `arch_params` argument which is deprecated and will be removed in next versions. Please change the signature of the __init__ method to take explicit list arguments instead: CustomizableDetector.__init__(backbone, heads, neck, bn_eps, bn_momentum, inplace_act, in_channels)

[2023-05-25 13:50:01] WARNING - utils.py - The CustomizableDetector.__init__ received `arch_params` argument which is deprecated and will be removed in next versions. Please change the signature of the __init__ method to take explicit list arguments instead: CustomizableDetector.__init__(backbone, heads, neck, num_classes, bn_eps, bn_momentum, inplace_act, in_channels)

[2023-05-25 13:50:01] WARNING - utils.py - The DummyModelV2.__init__ received `arch_params` argument which is deprecated and will be removed in next versions. Please change the signature of the __init__ method to take explicit list arguments instead: DummyModelV2.__init__(backbone, head, neck)