Add sequence number inheritence to all parsers

[aljazkonec1]

This PR adds inheritance of frame sequence numbers to all parser output messages. When a frame is created in camera node it has a sequence number, this number is then forwarded (similarly like timestamp) in nodes that manipulate the frame such as NeuralNetwork, ImageManipV2, ....

To keep forwarding consistent with these nodes, I added it to all message outputs of parsers.

In addition I also added a small change to Text Detection post processing.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 3.84615% with 25 lines in your changes missing coverage. Please review.

Project coverage is 35.93%. Comparing base (b93f10f) to head (ae86988).

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
depthai_nodes/ml/parsers/xfeat.py	0.00%	6 Missing ⚠️
depthai_nodes/ml/parsers/classification.py	0.00%	1 Missing ⚠️
...epthai_nodes/ml/parsers/classification_sequence.py	0.00%	1 Missing ⚠️
depthai_nodes/ml/parsers/embeddings.py	0.00%	1 Missing ⚠️
depthai_nodes/ml/parsers/fastsam.py	0.00%	1 Missing ⚠️
depthai_nodes/ml/parsers/hrnet.py	0.00%	1 Missing ⚠️
depthai_nodes/ml/parsers/image_output.py	0.00%	1 Missing ⚠️
depthai_nodes/ml/parsers/keypoints.py	0.00%	1 Missing ⚠️
depthai_nodes/ml/parsers/lane_detection.py	0.00%	1 Missing ⚠️
depthai_nodes/ml/parsers/map_output.py	0.00%	1 Missing ⚠️
... and 10 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #158      +/-   ##
==========================================
- Coverage   36.15%   35.93%   -0.22%     
==========================================
  Files          70       70              
  Lines        3986     4010      +24     
==========================================
  Hits         1441     1441              
- Misses       2545     2569      +24     

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