fix(sharing): stop deleted boards from showing up in team resources

[grnd-alt]

• Target version: main

Summary

deleted boards would still show up in teams "Shared with team" section until the cron job is run.
Now the mapper also excludes soft deleted boards

Checklist

• Code is properly formatted
• Sign-off message is added to all commits
• Tests (unit, integration, api and/or acceptance) are included
• Documentation (manuals or wiki) has been updated or is not required

🤖 AI (if applicable)

• The content of this PR was partly or fully generated using AI (N/A)

[github-actions]

🐢 Performance warning.
It looks like the query count of the integration tests increased with this PR.
Database query count is now 206011 was 198420 (+3.82%)
Please check your code again. If you added a new test this can be expected and the base value in tests/integration/base-query-count.txt can be increased.