set parallel world in test script + toggle ideal ITS in anchored simulation (#1908)

* set pw in test script + toggle ideal ITS in anchored simulation

* remove duplicated flag for pw activation

* fix string check

* fix variable declaration

* fix check

Author: maciacco

MC/run/ANCHOR/tests/test_anchor_2023_apass2_pp.sh

@@ -30,6 +30,8 @@ export SEED=5
 # for pp and 50 events per TF, we launch only 4 workers.
 export NWORKERS=2
 
+export ALIEN_JDL_ANCHOR_SIM_OPTIONS="-gen pythia8 -confKey \"GeometryManagerParam.useParallelWorld=1;GeometryManagerParam.usePwGeoBVH=1;GeometryManagerParam.usePwCaching=1\""
+
 # run the central anchor steering script; this includes
 # * derive timestamp
 # * derive interaction rate