crab recover fails on split-by-lumi-no-publication

ref https://cms-talk.web.cern.ch/t/crab-recover-for-automatic-splitting/148004

```console
hwchung@cmslpc328 ~/nobackup/CMSSW_15_0_16/src/b2g/customNano/allAltCrabCfgs/crab_projects # crab recover -d crab_Name_customNano_WWto4Q_2024_2026JUL
Collecting information about original task ...
Rucio client intialized for account chungh
WARNING - crab report - The original task had publication disabled. recovery strategy changed to notFinished
Warning:: Inconsistent/unusable information from cmsRun FJR's.
Fall back to counting processed files from imput list. Counting of processed events is not possible
Will put report files in directory /uscms_data/d3/hwchung/CMSSW_15_0_16/src/b2g/customNano/allAltCrabCfgs/crab_projects/crab_Name_customNano_WWto4Q_2024_2026JUL/results
Summary from successful jobs (i.e. in status 'finished'):
Number of files processed: 3299
Number of events read: n/a
Number of events written in EDM files: n/a
Number of events written in TFileService files: n/a
Number of events written in other type of files: n/a
Processed lumis written to processedLumis.json
Warning: 'notFinished' lumis written to notFinishedLumis.json
The 'notFinished' lumis were calculated as: the lumis to process minus the processed lumis.
Files to process written to filesToProcess.json
Files processed by successful jobs written to processedFiles.json
Files processed by failed jobs written to failedFiles.json
Additional report lumi files:
Input dataset lumis (from DBS, at task submission time) written to inputDatasetLumis.json
Lumis to process written to lumisToProcess.json
Prepare recovery task ...
ERROR: KeyError: 'notProcessedLumis'

Look for more details in crab.log file /uscms_data/d3/hwchung/CMSSW_15_0_16/src/b2g/customNano/allAltCrabCfgs/crab_projects/crab_Name_customNano_WWto4Q_2024_2026JUL/crab.log
If you can't figure out the problem, please send email to
cmstalk+computing-tools@dovecotmta.cern.ch with the crab.log file or crab.log URL.
Please use 'crab uploadlog' to upload the log file /uscms_data/d3/hwchung/CMSSW_15_0_16/src/b2g/customNano/allAltCrabCfgs/crab_projects/crab_Name_customNano_WWto4Q_2024_2026JUL/crab.log to the CRAB cache.
```

in crab.log
```text
INFO 2026-09-01 15:41:13.086 UTC: Prepare recovery task ...
DEBUG 2026-09-01 15:41:13.086 UTC: Retrieving username ...
DEBUG 2026-09-01 15:41:13.086 UTC: Retrieving username from CRIC...
DEBUG 2026-09-01 15:41:13.955 UTC: username is belforte
ERROR 2026-09-01 15:41:14.026 UTC: Unhandled Exception!
ERROR 2026-09-01 15:41:14.026 UTC: 'notProcessedLumis'
Traceback (most recent call last):
File "/cvmfs/cms.cern.ch/share/cms/crab-prod/v3.260630.00/bin/crab.py", line 157, in
client()
File "/cvmfs/cms.cern.ch/share/cms/crab-prod/v3.260630.00/bin/crab.py", line 142, in __call__
returnDict = self.cmd()
File "/cvmfs/cms.cern.ch/share/cms/crab-prod/v3.260630.00/lib/CRABClient/Commands/recover.py", line 127, in __call__
retval = self.stepBuildLumiRecoveryInfo(taskReport)
File "/cvmfs/cms.cern.ch/share/cms/crab-prod/v3.260630.00/lib/CRABClient/Commands/recover.py", line 566, in stepBuildLumiRecoveryInfo
if not retval["notProcessedLumis"]:
KeyError: 'notProcessedLumis'
```

relevant code
https://github.com/dmwm/CRABClient/blob/970fabd75d6895b1434c9d4cca0b0ebeff426f4b/src/python/CRABClient/Commands/recover.py#L559-L566