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/fetch

@@ -0,0 +1,54 @@
+messages: 3
+
+ok status $mailbox (uidnext)
+* status $mailbox (uidnext $uidnext)
+
+ok fetch 1:3 uid
+* 1 fetch (uid $uid1)
+* 2 fetch (uid $uid2)
+* 3 fetch (uid $uid3)
+
+ok fetch 3:1 uid
+* 1 fetch (uid $uid1)
+* 2 fetch (uid $uid2)
+* 3 fetch (uid $uid3)
+
+ok fetch 1,* uid
+* 1 fetch (uid $uid1)
+* 3 fetch (uid $uid3)
+
+ok fetch * uid
+* 3 fetch (uid $uid3)
+
+ok fetch *:1 uid
+* 1 fetch (uid $uid1)
+* 2 fetch (uid $uid2)
+* 3 fetch (uid $uid3)
+
+ok uid fetch $uidnext:* uid
+* 3 fetch (uid $uid3)
+
+# break seq=uid map
+ok store 2 flags \deleted
+ok expunge
+* 2 expunge
+
+ok uid fetch $uidnext:* uid
+* 2 fetch (uid $uid3)
+ok uid fetch 1:* uid
+* 1 fetch (uid $uid1)
+* 2 fetch (uid $uid3)
+ok uid fetch $uid2 uid
+! 1 fetch (uid $uid1)
+! 2 fetch (uid $uid3)
+ok uid fetch $uid1,* uid
+* 1 fetch (uid $uid1)
+* 2 fetch (uid $uid3)
+
+# test macros
+ok fetch 1 full
+* 1 fetch (flags () internaldate $intdate1 rfc822.size $size1 envelope ($!unordered) body ($!unordered))
+ok fetch 1 all
+* 1 fetch (flags () internaldate $intdate1 rfc822.size $size1 envelope ($!unordered))
+ok fetch 1 fast
+* 1 fetch (flags () internaldate $intdate1 rfc822.size $size1)