Bug 1679325 - Part 1: Making contentAreaUtils.saveURL to accept cookieJarSettings. r=smaug

This patch makes the contentAreaUtils.saveURL to be aware of the
cookieJarSettings, and updates all callers.

This also updates the documentation of the persistArgs
'cookieJarSettings' for internalPersist().

Differential Revision: https://phabricator.services.mozilla.com/D98455

browser/base/content/browser.js

@@ -6969,6 +6969,7 @@ function handleLinkClick(event, href, linkNode) {
       true,
       true,
       referrerInfo,
+      doc.cookieJarSettings,
       doc
     );
     event.preventDefault();