allow for some types of algorithms to be completely removed from L1 menu (ATR-24352)

(simplified version of !47243 (closed))

Trigger/TrigConfiguration/TrigConfData/src/L1Menu.cxx

@@ -103,6 +103,8 @@ TrigConf::L1Menu::load()
          auto topoCategories = isRun2() ? std::vector<std::string> {"R2TOPO"} : std::vector<std::string> {"TOPO", "MUTOPO", "MULTTOPO", "R2TOPO"};
          for( const std::string& algoCategory : topoCategories ) {
             auto & v = m_algorithmsByCategory[algoCategory] = std::vector<TrigConf::L1TopoAlgorithm>();
+            m_algorithmsByName.emplace(algoCategory, std::map<std::string, TrigConf::L1TopoAlgorithm*>());
+            m_algorithmsByOutput.emplace(algoCategory, std::map<std::string, TrigConf::L1TopoAlgorithm*>());
             if(algoCategory == "MULTTOPO") {
                for( auto & alg : data().get_child( "topoAlgorithms." + algoCategory + ".multiplicityAlgorithms" ) ) {
                   v.emplace_back( alg.first, L1TopoAlgorithm::AlgorithmType::MULTIPLICITY, algoCategory, alg.second );