Fix: Prevent empty markup when site title or description is empty #1072

Job	Run time
twentytwentyfour empty file check	15s
twentytwentythree empty file check	5s
twentytwenty empty file check	10s
twentynineteen empty file check	13s
twentyfifteen empty file check	11s
Test twentynineteen build script	17s
twentytwelve empty file check	16s
twentyeleven empty file check	6s
twentyten empty file check	8s
twentytwentyone empty file check	6s
twentytwentytwo empty file check	7s
twentyfourteen empty file check	6s
Test twentytwentyone build script	56s
twentyseventeen empty file check	14s
twentysixteen empty file check	6s
twentytwentyfive empty file check	6s
twentythirteen empty file check	21s
Test twentytwenty build script	34s
Create twentytwentyfour ZIP file	7s
Create twentytwentyone ZIP file	7s
Create twentytwentyfive ZIP file	7s
Create twentytwentythree ZIP file	9s
Create twentyseventeen ZIP file	6s
Create twentythirteen ZIP file	7s
Create twentyfourteen ZIP file	6s
Create twentyeleven ZIP file	6s
Create twentysixteen ZIP file	6s
Create twentytwenty ZIP file	6s
Create twentyfifteen ZIP file	9s
Create twentyten ZIP file	6s
Create twentytwentytwo ZIP file	7s
Create twentynineteen ZIP file	8s
Create twentytwelve ZIP file	8s
Slack Notifications	0s
Failed workflow tasks	0s
	6m 2s

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