Add missing logic to pick up descriptions in LoadLocalSideStakesFromC… #1749

Job	Run time
Lint	1m 22s
ARM [GOAL install] [buster]	3m 19s
Win32	3m 58s
Win64	6m 26s
macOS 11 native [GOAL install] [GUI] [no depends]	12m 30s
i386 Linux [GOAL install] [focal]	3m 31s
x86_64 Linux [GOAL install] [GUI] [focal] [no depends]	26m 48s
x86_64 Linux [GOAL install] [GUI] [bionic] [no depends]	20m 12s
macOS 10.14 [GOAL deploy] [GUI] [no tests] [focal]	13m 37s
	1h 31m 43s

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