[Draft] Fix flushing of rejects before disconnecting #3581

Job	Run time
lint	52s
extended-lint	3m 33s
Native-x64-Linux	4m 18s
CMake-Linux	3m 48s
Native-x64-Linux-latest	4m 47s
CMake-Linux-latest	4m 9s
Depends-ARM 32-bit	2m 9s
Native-x64-macOS	9m 45s
Depends-AARCH64	2m 8s
CMake-macOS	10m 46s
Native-arm64-macOS-latest	4m 47s
Depends-Win64	2m 19s
CMake-macOS-latest	4m 42s
Depends-32-bit + dash	2m 2s
Depends-x86_64 Linux	2m 10s
Depends-macOS 10.12	2m 12s
ARM 32-bit [GOAL:install]	3m 49s
AARCH64 [GOAL:install]	4m 14s
Win64 [GOAL:deploy]	4m 24s
x86_64 Linux [GOAL:install]	4m 33s
macOS 10.12 [GOAL:deploy]	3m 31s
Test-Depends-${{ matrix.config.name }}	0s
Native-${{ matrix.config.name }}-tests	0s
	1h 24m 58s

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