PtP: Add DFG edges to PMVs of recursive functions

[morbitzer]

So far, the PtP failed to draw prevDFG edges for the PMVs of functions that are recursively called. This should work now.

[codecov]

Codecov Report

❌ Patch coverage is 69.56522% with 7 lines in your changes missing coverage. Please review.
✅ Project coverage is 72.18%. Comparing base (aeb76d2) to head (151dcb0).
⚠️ Report is 2 commits behind head on main.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
...lin/de/fraunhofer/aisec/cpg/passes/PointsToPass.kt	69.56%	3 Missing and 4 partials ⚠️

❌ Your patch check has failed because the patch coverage (69.56%) is below the target coverage (75.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

Files with missing lines	Coverage Δ
...lin/de/fraunhofer/aisec/cpg/passes/PointsToPass.kt	84.98% <69.56%> (+0.17%)	⬆️

... and 3 files with indirect coverage changes

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[konradweiss]

Missed lines in in the codecov report are the logging calls that are not enabled, which is not relevant functionality to test. Are they necessary though? From the content of the message I think we don't need it in production and therefore can remove both and make codecov happy.