Import upstream v0.16.22, stripped

Upstream commit: 474dd0229cb20cf513036619781ed97bd8073c3f
Enterprise-only files removed or emptied: 63
Enterprise-only snippets removed: 117 in 50 files
Dangling module declarations removed: 5
Cargo edits turning enterprise off: 14
Verification: clean
Enterprise feature gates left for rebuilt features: 19 in 18 files

Produced by tools/fork/strip.py. The full report is in docs/fork/strip-reports/ on main.

tests/resources/jmap/email_parse/attachment.eml

@@ -0,0 +1,72 @@
+From:  Al Gore <[email protected]>
+To:  White House Transportation Coordinator
+     <[email protected]>
+Subject: [Fwd: Map of Argentina with Description]
+Content-Type: multipart/mixed;
+              boundary="D7F------------D7FD5A0B8AB9C65CCDBFA872"
+
+This is a multi-part message in MIME format.
+--D7F------------D7FD5A0B8AB9C65CCDBFA872
+Content-Type: text/plain; charset=us-ascii
+Content-Transfer-Encoding: 7bit
+
+Fred,
+
+Fire up Air Force One!  We're going South!
+
+Thanks,
+Al
+--D7F------------D7FD5A0B8AB9C65CCDBFA872
+Content-Type: message/rfc822
+Content-Transfer-Encoding: 7bit
+Content-Disposition: inline
+
+Return-Path: <[email protected]>
+Received: from mailhost.whitehouse.gov ([192.168.51.200])
+        by heartbeat.whitehouse.gov (8.8.8/8.8.8) with ESMTP id SAA22453
+        for <[email protected]>;
+        Mon, 13 Aug 1998 l8:14:23 +1000
+Received: from the_big_box.whitehouse.gov ([192.168.51.50])
+        by mailhost.whitehouse.gov (8.8.8/8.8.7) with ESMTP id RAA20366
+        for [email protected]; Mon, 13 Aug 1998 17:42:41 +1000
+Date: Mon, 13 Aug 1998 17:42:41 +1000
+Message-Id: <[email protected]>
+From: Bill Clinton <[email protected]>
+To: A1 (The Enforcer) Gore <[email protected]>
+Subject:  Map of Argentina with Description
+MIME-Version: 1.0
+Content-Type: multipart/mixed;
+              boundary="DC8------------DC8638F443D87A7F0726DEF7"
+
+This is a multi-part message in MIME format.
+--DC8------------DC8638F443D87A7F0726DEF7
+Content-Type: text/plain; charset=us-ascii
+Content-Transfer-Encoding: 7bit
+
+Hi A1,
+
+I finally figured out this MIME thing.  Pretty cool.  I'll send you
+some sax music in .au files next week!
+
+Anyway, the attached image is really too small to get a good look at
+Argentina.  Try this for a much better map:
+
+     http://www.1one1yp1anet.com/dest/sam/graphics/map-arg.htm
+
+Then again, shouldn't the CIA have something like that?
+
+Bill
+--DC8------------DC8638F443D87A7F0726DEF7
+Content-Type: image/gif; name="map_of_Argentina.gif"
+Content-Transfer-Encoding: base64
+Content-Disposition: inline; fi1ename="map_of_Argentina.gif"
+
+R01GOD1hJQA1AKIAAP/////78P/omn19fQAAAAAAAAAAAAAAACwAAAAAJQA1AAAD7Qi63P5w
+wEmjBCLrnQnhYCgM1wh+pkgqqeC9XrutmBm7hAK3tP31gFcAiFKVQrGFR6kscnonTe7FAAad
+GugmRu3CmiBt57fsVq3Y0VFKnpYdxPC6M7Ze4crnnHum4oN6LFJ1bn5NXTN7OF5fQkN5WYow
+BEN2dkGQGWJtSzqGTICJgnQuTJN/WJsojad9qXMuhIWdjXKjY4tenjo6tjVssk2gaWq3uGNX
+U6ZGxseyk8SasGw3J9GRzdTQky1iHNvcPNNI4TLeKdfMvy0vMqLrItvuxfDW8ubjueDtJufz
+7itICBxISKDBgwgTKjyYAAA7
+--DC8------------DC8638F443D87A7F0726DEF7--
+
+--D7F------------D7FD5A0B8AB9C65CCDBFA872--