Fix HAS EXCEPT conditions

[TeamDman]

Fixes #319

What changed:

• Make HAS EXCEPT skip stacks matching excluded resources.
• Add a declarative GameTest covering a barrel with stick and oak planks.
• Add the 4.35.0 changelog entry.

Validation:

• sfm-propagate-changes.exe run compile --branch agent/fix-319-except-condition --wait-for-build-lock
• sfm-propagate-changes.exe game-test run-server --branch agent/fix-319-except-condition --filter has_except --wait-for-build-lock