[Bug] Fix validation interface data race #3491

Job	Run time
lint	54s
Native-x64-Linux	45m 18s
Native-x64-Linux-latest	43m 13s
Depends-ARM 32-bit	1m 37s
Native-x64-macOS	59m 40s
CMake-Linux	17m 38s
Depends-AARCH64	1m 55s
Native-x64-macOS-latest	33m 31s
CMake-Linux-latest	16m 37s
Depends-Win64	1m 42s
CMake-macOS	38m 30s
Depends-32-bit + dash	1m 38s
CMake-macOS-latest	13m 58s
Depends-x86_64 Linux	1m 40s
Depends-macOS 10.12	1m 51s
ARM 32-bit [GOAL:install] [no unit or functional tests]	21m 11s
AARCH64 [GOAL:install] [no unit or functional tests]	21m 38s
Win64 [GOAL:deploy] [no unit or functional tests]	21m 1s
x86_64 Linux [GOAL:install]	47m 52s
x86_64 Linux [GOAL:install] [no GUI, no unit tests, only functional tests on legacy pre-HD wallets]	25m 34s
macOS 10.12 [GOAL:deploy] [no unit or functional tests]	18m 57s
	7h 15m 55s

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