Remove hard-coded filename limit for clipboard file lists #1101

Job	Run time
code formatting check	29s
min features with gcc	2m 3s
min features with g++	2m 16s
min features with clang	1m 39s
max features with gcc	3m 31s
max features with g++	1m 45s
max features with clang	2m 52s
max features with clang and AddressSanitized	2m 33s
max features with gcc and DEBUG	2m 6s
max features with gcc for 32-bit arch (legacy OS)	2m 1s
max features with g++ for 32-bit arch (legacy OS)	1m 25s
cppcheck	18m 6s
max features with clang for 32-bit arch (legacy OS)	1m 54s
	42m 40s

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