Merge branch 'fix-setppc-presolve' into 'v91-bugfix'

clean up hashmap in removeDoubleAndSingletonsAndPerformDualpresolve

See merge request integer/scip!3517

Author: DominikKamp

CHANGELOG

@@ -13,6 +13,7 @@ Fixed bugs
 - skip aggregations on fixed variables in milp presolver to avoid errors for earlier versions of PaPILO
 - reformulate soft pseudoboolean constraints with linear constraints if the indicator decomposition is disabled
 - in lpi_highs set the presolve option in lpiSolve() to not reset the model status directly after solving the LP
+- update constraints and hashmap after each multi-aggregation to avoid key error in removeDoubleAndSingletonsAndPerformDualpresolve() of cons_setppc.c
 
 Unit tests
 ----------

check/CMakeLists.txt

@@ -499,6 +499,7 @@ set(pairs_Issue
     "instances/Issue/3727.cip\;1922\;vanillafullstrong_reduced_presolving_separating_heuristics"
     "instances/Issue/3728.cip\;0\;reduced_presolving_heuristics"
     "instances/Issue/3746.cip\;0\;seed_1"
+    "instances/Issue/3752.cip\;28066\;default"
 )
 
 #