[Draft] Fix flushing of rejects before disconnecting #3591

Job	Run time
lint	55s
extended-lint	3m 28s
Depends-ARM 32-bit	2m 17s
Depends-AARCH64	2m 29s
CMake-Linux	4m 26s
Native-x64-Linux	4m 57s
Depends-Win64	2m 52s
CMake-Linux-latest	3m 57s
Depends-32-bit + dash	2m 13s
Native-x64-Linux-latest	4m 41s
CMake-macOS	10m 19s
Depends-x86_64 Linux	2m 11s
Native-x64-macOS	7m 12s
CMake-macOS-latest	5m 9s
Depends-macOS 10.12	2m 11s
Native-arm64-macOS-latest	4m 0s
ARM 32-bit [GOAL:install]	4m 3s
AARCH64 [GOAL:install]	4m 39s
Win64 [GOAL:deploy]	4m 33s
x86_64 Linux [GOAL:install]	4m 40s
macOS 10.12 [GOAL:deploy]	3m 42s
Test-Depends-${{ matrix.config.name }}	0s
Native-${{ matrix.config.name }}-tests	0s
	1h 24m 54s

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