fixed some btype and template bugs

btypes_primitives/src/main/rust/btypes/src/OrderedHashSet.rs

btypes_primitives/src/main/rust/btypes/src/brelation.rs

...ain/resources/de/hhu/stups/codegenerator/RustTemplate.stg

...ava/de/hhu/stups/codegenerator/rust/TestMCBenchmarks.java

...ces/de/hhu/stups/codegenerator/Train1_Lukas_POR_v3_MC.out

...codegenerator/Train_1_beebook_deterministic_MC_POR_v2.out

...hu/stups/codegenerator/landing_gear/LandingGear_R6_MC.out

src/test/resources/de/hhu/stups/codegenerator/nota_v2_MC.out

...ources/de/hhu/stups/codegenerator/sort_m2_data1000_MC.out