Fix missing displays on sesman restart #1213

Job	Run time
cppcheck	4m 47s
min features with gcc	3m 34s
code formatting check	3m 15s
min features with g++	6m 3s
min features with clang	3m 36s
max features with gcc	4m 26s
max features with g++	4m 45s
max features with clang	5m 43s
max features with clang and AddressSanitized	4m 59s
max features with gcc and DEBUG	5m 33s
max features with gcc for 32-bit arch (legacy OS)	4m 11s
max features with g++ for 32-bit arch (legacy OS)	3m 12s
max features with clang for 32-bit arch (legacy OS)	4m 37s
	58m 41s

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