beacon, registry: Fix beacon history stall #2986

Job	Run time
macOS 12 native [GOAL install] [GUI] [no depends]	15m 14s
Lint	47s
ARM [GOAL install] [buster]	11m 41s
Win32	6m 14s
Win64	14m 26s
i386 Linux [GOAL install] [focal]	12m 16s
x86_64 Linux [GOAL install] [GUI] [focal] [no depends]	15m 48s
x86_64 Linux [GOAL install] [GUI] [bionic] [no depends]	14m 41s
macOS 10.14 [GOAL deploy] [GUI] [no tests] [focal]	9m 44s
	1h 40m 51s

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