fix: array widget sort (#5805) #13303

Job	Run time
Core Basic (18.x)	6m 35s
Core Basic (20.x)	7m 10s
Core Blocks (18.x)	7m 26s
Core Blocks - Listing (18.x)	5m 26s
Core Content (18.x)	3m 31s
Core Blocks (20.x)	7m 25s
Core Blocks - Listing (20.x)	5m 30s
Core Content (20.x)	3m 24s
Core Control Panels (18.x)	4m 12s
Core Control Panels (20.x)	4m 10s
Core Basic - Plone 5 (18.x)	7m 13s
Coresandbox (18.x)	4m 10s
Core Volto Slate (18.x)	7m 5s
Multilingual (18.x)	3m 44s
Core Volto Slate (20.x)	7m 14s
Working Copy (18.x)	3m 7s
Project Generator (18.x)	5m 12s
Project Generator (20.x)	5m 7s
Multilingual in Seamless Mode (18.x)	3m 13s
Seamless Mode (18.x)	6m 51s
	1h 47m 45s

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