Investigate degradations on ws after sta update

[eder-matheus]

Subject

[Stage]: Other. Please describe below.

Describe the bug

After the latest sta update, two private designs that were previously closing timing with zero worst slack are now failing with quite large values of worst slack.

Investigate what is the cause of it and how we can go back to the previous result.

Expected Behavior

Close timing.

Environment

Secure ci

To Reproduce

Private test case.

Relevant log output

Screenshots

No response

Additional Context

No response