DAOS-16876 dtx: misc fixes for DTX related logic - b26

[Nasf-Fan]

1. Do not clear dae_need_release flag on DTX entry in DRAM until related local transaction has been successfully committed. Otherwise, it will skip subsequent DTX commit or abort this entry.

2. Do not allow the case that some DTX entry does not exist in DRAM but related modification target still references it. Add assertion check during vos_dtx_check_availability() and vos_dtx_deregister_record().

3. Replace daos_gettime_coarse() with daos_wallclock_secs() for DTX time. Then DTX cleanup and DTX aggregation logic can use them after restart.

4. Bypass MRU operation during DTX LRU array lookup, that is unnecessary and may hide some potential bugs.

Before requesting gatekeeper:

• Two review approvals and any prior change requests have been resolved.
• Testing is complete and all tests passed or there is a reason documented in the PR why it should be force landed and forced-landing tag is set.
• Features: (or Test-tag*) commit pragma was used or there is a reason documented that there are no appropriate tags for this PR.
• Commit messages follows the guidelines outlined here.
• Any tests skipped by the ticket being addressed have been run and passed in the PR.

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• Fix the commit message upon landing. Check the standard here. Edit it to create a single commit. If necessary, ask submitter for a new summary.

[github-actions]

Ticket title is 'LRZ: m02r01s07dao engine coredumps with vos EMRG src/vos/ilog.c:411 ilog_open() Assertion'
Status is 'In Progress'
Labels: 'ALCF,LRZ,alcf_track,google-cloud-daos,scrubbed_2.8'
Job should run at elevated priority (1)
https://daosio.atlassian.net/browse/DAOS-16876

[daosbuild1]

Test stage Functional Hardware Medium completed with status FAILURE. https://build.hpdd.intel.com//job/daos-stack/job/daos/view/change-requests/job/PR-15941/2/execution/node/1476/log

[daosbuild1]

Test stage Functional Hardware Medium Verbs Provider completed with status FAILURE. https://build.hpdd.intel.com//job/daos-stack/job/daos/view/change-requests/job/PR-15941/2/execution/node/1566/log