Fix: Prevent empty markup when site title or description is empty #1027

Job	Run time
twentytwentyfive empty file check	4s
twentytwentyfour empty file check	6s
twentytwentythree empty file check	3s
twentytwentytwo empty file check	6s
Test twentytwentyone build script	58s
twentytwentyone empty file check	4s
Test twentytwenty build script	20s
twentytwenty empty file check	4s
Test twentynineteen build script	16s
twentynineteen empty file check	6s
twentyseventeen empty file check	7s
twentysixteen empty file check	7s
twentyfifteen empty file check	6s
twentyfourteen empty file check	7s
twentythirteen empty file check	6s
twentytwelve empty file check	5s
twentyeleven empty file check	5s
twentyten empty file check	5s
Create twentytwentyfive ZIP file	7s
Create twentytwentyfour ZIP file	5s
Create twentytwentythree ZIP file	5s
Create twentytwentytwo ZIP file	8s
Create twentytwentyone ZIP file	4s
Create twentytwenty ZIP file	7s
Create twentynineteen ZIP file	8s
Create twentyseventeen ZIP file	6s
Create twentysixteen ZIP file	5s
Create twentyfifteen ZIP file	5s
Create twentyfourteen ZIP file	8s
Create twentythirteen ZIP file	7s
Create twentytwelve ZIP file	5s
Create twentyeleven ZIP file	5s
Create twentyten ZIP file	6s
Slack Notifications	0s
Failed workflow tasks	0s
	4m 26s

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