Fix metrics in explicit batching

[giotre]

• Modified src/tensorial/gcnn/atomic/_metrics.py and src/tensorial/gcnn/metrics.py to handle explicit batching in metrics.
• Corrected typo in src/tensorial/gcnn/graph_ops.py

[codecov-commenter]

⚠️ Please install the to ensure uploads and comments are reliably processed by Codecov.

Codecov Report

❌ Patch coverage is 71.42857% with 6 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
src/tensorial/gcnn/atomic/_metrics.py	70.00%	3 Missing ⚠️
src/tensorial/gcnn/metrics.py	72.72%	3 Missing ⚠️
❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

Files with missing lines	Coverage Δ
src/tensorial/gcnn/graph_ops.py	88.04% <ø> (ø)
src/tensorial/gcnn/atomic/_metrics.py	61.29% <70.00%> (ø)
src/tensorial/gcnn/metrics.py	81.56% <72.72%> (ø)

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.