DAOS-19492 test: Revert "DAOS-19427 dfuse: defer cache invalidations …

[daltonbohning]

…off the worker pool (#18802)"

This reverts commit 3436396.

To see if this introduced a test failure.

Test-tag: test_dfuse_subcontainer_create_attrs
Test-repeat: 10
Doc-only: false
Quick-functional: true

Steps for the author:

• Commit message follows the guidelines.
• Appropriate Features or Test-tag pragmas were used.
• Appropriate Functional Test Stages were run.
• At least two positive code reviews including at least one code owner from each category referenced in the PR.
• Testing is complete. If necessary, forced-landing label added and a reason added in a comment.

After all prior steps are complete:

• Gatekeeper requested (daos-gatekeeper added as a reviewer).

[github-actions]

Ticket title is 'dfuse/container_attrs.py:DfuseContainerAttrs.test_dfuse_subcontainer_create_attrs - Unexpected number setting(s) of attribute dfuse-attr-time: want=1, got=0'
Status is 'In Progress'
Labels: 'ci_master_daily'
https://daosio.atlassian.net/browse/DAOS-19492