DPL Analysis: add pack selector functions

[aalkin]

No description provided.

[alibuild]

Error while checking build/O2/fullCI for 12d3c61 at 2024-10-11 21:45:

## sw/BUILD/O2-full-system-test-latest/log
Detected critical problem in logfile reco_ASYNC.log
[81339:ctp-entropy-decoder]: [19:45:05][ERROR] LM:243 L0:0 L1:1 TwI:3 Trigger classes wo input:199
[ERROR] Workflow crashed - PID 81349 (its-tracker) did not exit correctly however it's not clear why. Exit code forced to 128.


## sw/BUILD/o2checkcode-latest/log
--
========== List of errors found ==========
++ GRERR=0
++ grep -v clang-diagnostic-error error-log.txt
++ grep ' error:'
++ GRERR=1
++ [[ 1 == 0 ]]
++ mkdir -p /sw/INSTALLROOT/1bc18f7c276c8794b55fa3bb8bbafc755c487edf/slc8_x86-64/o2checkcode/1.0-local230/etc/modulefiles
++ cat
--

Full log here.