Fix 301 and 302 redirects. #14969

Job	Run time
Core Basic - Plone 5 (16.x)	8m 28s
Core Basic (14.x)	8m 21s
Core Basic (16.x)	7m 53s
Core Basic (18.x)	8m 10s
Core Blocks (14.x)	11m 51s
Core Blocks (16.x)	10m 36s
Core Blocks (18.x)	10m 28s
Coresandbox (16.x, 3.7)	4m 10s
Core Volto Slate (14.x)	8m 23s
Project Generator (16.x)	4m 48s
Core Volto Slate (16.x)	8m 34s
Project Generator (18.x)	5m 7s
Core Volto Slate (18.x)	8m 33s
Guillotina (16.x)	3m 58s
Multilingual (16.x)	3m 36s
Multilingual in Seamless Mode (18.x)	3m 46s
Working Copy (16.x)	3m 45s
Seamless Mode (16.x)	8m 8s
	2h 8m 35s

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