WIP: Process string starting with www as email in make_clickable(). #810

Job	Run time
Core running from build / Core running from build / Linux	2m 7s
Core running from src / Core running from src / Linux	1m 55s
Core running from build / Core running from build / Windows	3m 34s
Core running from src / Core running from src / Windows	3m 24s
Core running from src / Core running from src / MacOS	4m 29s
Core running from build / Core running from build / MacOS	4m 33s
Gutenberg running from build / Gutenberg running from build / Linux	7m 17s
Gutenberg running from src / Gutenberg running from src / Linux	7m 29s
Gutenberg running from build / Gutenberg running from build / Windows	11m 56s
Gutenberg running from src / Gutenberg running from src / Windows	10m 2s
Gutenberg running from build / Gutenberg running from build / MacOS	9m 50s
Gutenberg running from src / Gutenberg running from src / MacOS	10m 44s
Leave WordPress Playground details	3s
Slack Notifications	0s
Failed workflow tasks	0s
	1h 17m 23s

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