Plugin will display an error message when no valid projects are found in the open solution (AST-116483)

[cx-margarita-levitm]

Description

If no ".sln" or ".csproj" files are found in the open solution, an error message will be displayed: "No valid project found in directory."

References

Include supporting link to GitHub Issue/PR number

Testing

Run a test with a valid project and verify that the scan is triggered and completes successfully. Then, run a test with an invalid project and confirm that the scan is not triggered and an error message is displayed.

Checklist

• I have added documentation for new/changed functionality in this PR (if applicable).
• All active GitHub checks for tests, formatting, and security are passing
• The correct base branch is being used

[github-actions]

Checkmarx One – Scan Summary & Details – ceb29b92-12e6-4ef8-83e0-982c9f47569a

Policy Management Violations (2)

Policy Name	Rule(s)	Break Build
[SAST-ML0] Not allowed NEW Sast vulnerabilities		true
Commercial packages		true