Replace 'Expand DRAM' option with dropdown menu #52

Job	Run time
format	3m 9s
pr_build / macOS Universal (Debug)	6m 7s
pr_build / win-x64 (Debug)	8m 16s
pr_build / macOS Universal (Release)	5m 55s
pr_build / linux-x64 (Debug)	4m 28s
pr_build / linux-arm64 (Debug)	2m 34s
pr_build / osx-x64 (Debug)	6m 39s
pr_build / win-x64 (Release)	7m 56s
pr_build / linux-x64 (Release)	3m 55s
pr_build / linux-arm64 (Release)	2m 21s
pr_build / osx-x64 (Release)	3m 25s
	54m 45s

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