Allow for empty fields in TS_EXTENDED_INFO_PACKET #1603

Job	Run time
code formatting check	6m 55s
min features with gcc	2m 18s
cppcheck	13m 41s
min features with g++	2m 48s
min features with clang	2m 42s
max features with gcc	3m 17s
max features with g++	1m 51s
max features with clang	4m 11s
max features with gcc and DEBUG	2m 50s
max features with gcc for 32-bit arch (legacy OS)	1m 42s
max features with g++ for 32-bit arch (legacy OS)	1m 34s
max features with clang for 32-bit arch (legacy OS)	2m 5s
	45m 54s

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