File Editor: Don't verify SSL certificate when doing loopback requests for...

File Editor: Don't verify SSL certificate when doing loopback requests for checking for fatal errors.

Previously, verification was disabled for the loopback request to the admin URL, but not to the home URL.

Follow-up to [46230].

Props munyagu.
Fixes #50309. See #47957.
Built from https://develop.svn.wordpress.org/trunk@47896


git-svn-id: https://core.svn.wordpress.org/trunk@47670 1a063a9b-81f0-0310-95a4-ce76da25c4cd