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/imap-test/search-addresses.mbox

@@ -0,0 +1,50 @@
+From user@domain  Fri Feb 22 17:06:23 2008
+From: [email protected]
+To: [email protected]
+Cc: [email protected]
+Bcc: [email protected]
+
+body
+
+From user@domain  Fri Feb 22 17:06:23 2008
+From: RealFrom <[email protected]>
+To: RealTo <[email protected]>
+Cc: RealCc <[email protected]>
+Bcc: RealBcc <[email protected]>
+
+body2
+
+From user@domain  Fri Feb 22 17:06:23 2008
+From: <user-from (comment)@ (comment) domain.org>
+To: <[email protected]>
+Cc: <[email protected]>
+Bcc: <[email protected]>
+
+body3
+
+From user@domain  Fri Feb 22 17:06:23 2008
+From: [email protected] (RealFrom)
+To: [email protected] (RealTo)
+Cc: [email protected] (RealCc)
+Bcc: [email protected] (RealBcc)
+
+body4
+
+From user@domain  Fri Feb 22 17:06:23 2008
+From: [email protected], [email protected]
+Cc: [email protected]
+
+body5
+
+From user@domain  Fri Feb 22 17:06:23 2008
+From: RealFrom <[email protected]>
+To: groupname: [email protected], [email protected];,
+  groupname2: [email protected];
+
+body6
+
+From user@domain  Fri Feb 22 17:06:23 2008
+From: RealFrom <[email protected]>
+To: groupname:;
+
+body7