Data race on dmrs_symbol in gNB

Thread sanitizer summary for gNB Run command:

LD_PRELOAD=/lib/x86_64-linux-gnu/libtsan.so.0 LD_LIBRARY_PATH=$(pwd) ./nr-softmodem  -O ../../../ci-scripts/conf_files/gnb.band78.106prb.rfsim.phytest-dora.conf --rfsim --phy-test --rfsimulator.serveraddr server -U 128 -t 28 -T 5 1> logs 2> errors

log: errors.txt

SUMMARY: ThreadSanitizer: data race /home/ubuntu/bpodrygajlo/openairinterface5g/openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c:1293 in inner_rx

Race on dmrs_symbol between nr_pusch_symbol_processing threads. Should use a local variable or use an array for each symbol.