Do not throw an exception if there is no trashbin to import

[phil-davis]

Description

If there is no trashbin to import, then there might not even be a trashbin.jsonl to read. If that happens, do not throw an exception, just quietly return - there is no need to crash out on a "null" trashbin.

Related Issue

Fixes #210

How Has This Been Tested?

CI acceptance test scenario

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [ ] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes.
• [ ] All new and existing tests passed.

[sonarcloud[bot]]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

0.0% Coverage
0.0% Duplication