[PT][WC] Add WC tests for functional models

[l-bat]

Changes

Fixed bug with channel_idx for Torch Conv metatypes
Fixed bug in get_module_by_name() if base model has weights as a torch.nn.Parameter

Reason for changes

Related tickets

124822

Tests

Added test_compress_weights_functional_model

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (1391667) 91.10% compared to head (a030ee6) 66.17%.

Additional details and impacted files

@@             Coverage Diff              @@
##           develop    #2446       +/-   ##
============================================
- Coverage    91.10%   66.17%   -24.94%     
============================================
  Files          497      497               
  Lines        45220    45226        +6     
============================================
- Hits         41198    29928    -11270     
- Misses        4022    15298    +11276     

Files	Coverage Δ
...ion/algorithms/weight_compression/torch_backend.py	85.08% <100.00%> (+1.93%)	⬆️

... and 195 files with indirect coverage changes

Flag	Coverage Δ
COMMON	?
ONNX	?
OPENVINO	?
TENSORFLOW	?
TORCH	66.17% <100.00%> (+0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
common	86.00% <ø> (-7.36%)	⬇️
torch	93.40% <100.00%> (+<0.01%)	⬆️
tensorflow	0.00% <ø> (-94.00%)	⬇️
onnx	0.00% <ø> (-98.02%)	⬇️
openvino	26.03% <ø> (-68.40%)	⬇️
ptq	51.75% <100.00%> (-37.60%)	⬇️

[alexsu52]

Thanks for the contribution!