Merge pull request #2704 from jamescowens/implement_sidestake_GUI #2956

Job	Run time
Lint	44s
ARM [GOAL install] [buster]	11m 46s
macOS 12 native [GOAL install] [GUI] [no depends]	33m 59s
Win32	13m 46s
Win64	32m 15s
i386 Linux [GOAL install] [focal]	12m 2s
x86_64 Linux [GOAL install] [GUI] [focal] [no depends]	16m 22s
x86_64 Linux [GOAL install] [GUI] [bionic] [no depends]	15m 46s
macOS 10.14 [GOAL deploy] [GUI] [no tests] [focal]	29m 17s
	2h 45m 57s

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