Fix a crash bug during CC shutdown process (Cherry-pick #7705 to snowflake/release-7.1)

[sfc-gh-satherton]

Cherry-pick of #7705

Code-Reviewer Section

The general guidelines can be found here.

Please check each of the following things and check all boxes before accepting a PR.

• The PR has a description, explaining both the problem and the solution.
• The description mentions which forms of testing were done and the testing seems reasonable.
• Every function/class/actor that was touched is reasonably well documented.

For Release-Branches

If this PR is made against a release-branch, please also check the following:

• This change/bugfix is a cherry-pick from the next younger branch (younger release-branch or main if this is the youngest branch)
• There is a good reason why this PR needs to go into a release branch and this reason is documented (either in the description above or in a linked GitHub issue)

[fdb-windows-ci]

Doxense CI Report for Windows 10

• Commit ID: a09e9da
• Result: ✔️ SUCCEEDED
• Build Logs (available for 30 days)

[foundationdb-ci]

Result of foundationdb-pr-cluster-tests on Linux CentOS 7

• Commit ID: a09e9da
• Duration 0:38:19
• Result: ❌ FAILED
• Error: Error while executing command: docker build --label "org.foundationdb.version=${FDB_VERSION}" --label "org.foundationdb.build_date=${BUILD_DATE}" --label "org.foundationdb.commit=${COMMIT_SHA}" --progress plain --build-arg FDB_VERSION="${FDB_VERSION}" --build-arg FDB_LIBRARY_VERSIONS="${FDB_VERSION}" --build-arg FDB_WEBSITE="${FDB_WEBSITE}" --tag foundationdb/foundationdb-base:${FDB_VERSION}-${COMMIT_SHA}-debug --file Dockerfile.eks --target foundationdb-base .. Reason: exit status 1
• Build Logs (available for 30 days)

[foundationdb-ci]

Result of foundationdb-pr on Linux CentOS 7

• Commit ID: a09e9da
• Duration 0:48:00
• Result: ✅ SUCCEEDED
• Error: N/A
• Build Logs (available for 30 days)