Bug 1449143 - Backed out changeset 0dcc75169b10 for being a temporary fix. a=backout

mail/app/profile/all-thunderbird.js

@@ -330,9 +330,8 @@ pref("network.cookie.cookieBehavior", 0);
 
 // To allow images to be inserted into a composition with an auth prompt, we
 // need the following two.
-// Temporarily not setting the following two, see bug 1449143.
-// pref("network.auth.subresource-img-cross-origin-http-auth-allow", true);
-// pref("network.auth.non-web-content-triggered-resources-http-auth-allow", true);
+pref("network.auth.subresource-img-cross-origin-http-auth-allow", true);
+pref("network.auth.non-web-content-triggered-resources-http-auth-allow", true);
 
 // clear the SeaMonkey pref, so we don't hear about how we don't have a chrome
 // package registered for editor-region while opening about:config