QUIT_ON_SYNTH_CHECKS doesn't quit on a single yosys error.

[kareefardi]

Description

Title.

Expected Behavior

OL quits.

Environment report

Kernel: Linux v6.1.28-060128-generic
Distribution: ubuntu 22.04
Python: v3.10.6 (OK)
Container Engine: docker v20.10.22 (OK)
OpenLane Git Version: d0371f30a3cbbcd275107b530b7db0db0e1055ac
pip: INSTALLED
python-venv: INSTALLED
---
PDK Version Verification Status: OK
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Git Log (Last 3 Commits)

d0371f30 2023-05-24T10:49:44+03:00 Revert "[BOT] Update magic (#1778)" (#1818) - Kareem Farid -  (HEAD -> master, origin/master, origin/HEAD)
69c91f0c 2023-05-24T10:22:12+03:00 Port fix from OpenSTA and update OpenROAD (#1817) - Kareem Farid -  ()
ee14c3eb 2023-05-23T16:19:10+03:00 Add `RSZ_DONT_TOUCH` list (#1798) - Kareem Farid -  (tag: 2023.05.24)
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Git Remotes

donn	https://github.com/donn/openlane.git (fetch)
donn	https://github.com/donn/openlane.git (push)
fork	git@github.com:kareefardi/OpenLane.git (fetch)
fork	git@github.com:kareefardi/OpenLane.git (push)
origin	git@github.com:The-OpenROAD-Project/OpenLane.git (fetch)
origin	git@github.com:The-OpenROAD-Project/OpenLane.git (push)

Reproduction material

Relevant log output

<Will upload>