EOG: when instead of custom dispatcher

[konradweiss]

Improves debugability by using when instead of custom handling map and dispatching function. Users have to order the when options such that more specific is check does not get shadowed by the more general check for its super class. However, modern IDEs can warn of such "unrechable" cases

[codecov]

Codecov Report

Attention: Patch coverage is 98.11321% with 1 line in your changes missing coverage. Please review.

Project coverage is 75.08%. Comparing base (c98539c) to head (9b7c9d9).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...hofer/aisec/cpg/passes/EvaluationOrderGraphPass.kt	98.11%	0 Missing and 1 partial ⚠️

Additional details and impacted files

Files with missing lines	Coverage Δ
...hofer/aisec/cpg/passes/EvaluationOrderGraphPass.kt	88.46% <98.11%> (-1.08%)	⬇️

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[oxisto]

LGTM except a minor thing