Cache stuck clean in test_timestamp_abort

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recovery-stress-test-1 failed on Ubuntu 20.04 Stress tests

Host: ec2-44-197-218-118.compute-1.amazonaws.com
Project: WiredTiger (develop)
Commit: diff: WT-8163 Give up checkpoint-cleanup in more scenarios (#7078)

In order to avoid a potential cache overflow, more checks were added to skip the checkpoint-cleanup process if the cache is already solicited enough and eviction is required. | 18 Oct 21 06:59 UTC
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Task Logs (recovery-stress-test-1)