CNDB-12683 handle too long controller config file names (#1565)

[jtgrabowski]

Handle FSError thrown when the controller config file name is too long. Otherwise, the exception causes failures to create CFS instance.

What is the issue

...

What does this PR fix and why was it fixed

...

[github-actions]

Checklist before you submit for review

• Make sure there is a PR in the CNDB project updating the Converged Cassandra version
• Use NoSpamLogger for log lines that may appear frequently in the logs
• Verify test results on Butler
• Test coverage for new/modified code is > 80%
• Proper code formatting
• Proper title for each commit staring with the project-issue number, like CNDB-1234
• Each commit has a meaningful description
• Each commit is not very long and contains related changes
• Renames, moves and reformatting are in distinct commits

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
100.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[cassci-bot]

❌ Build ds-cassandra-pr-gate/PR-1572 rejected by Butler

---

1 new test failure(s) in 1 builds
See build details here

---

Found 1 new test failures

Test	Explanation	Branch history	Upstream history
...cii,ascii>,wide=true,scenario=POST_BUILD_QUERY]	regression	🔴	🔵🔵🔵🔵🔵🔵🔵

---

Found 7 known test failures