core: add agreed connection version field (#3881)

* core: add agreed connection version field

* fix

* progress

* use pqSupport and version to decide compression in messages

* pass version to encodeConnInfoPQ

* update pq enable/disable api

* remove TestConfig

* update nix dependencies

* update texts

* corrections

* create e2ee info items when connection switches from off to on first time

* corrections

Co-authored-by: spaced4ndy <8711996+spaced4ndy@users.noreply.github.com>

* comment

* increase test timeout

---------

Co-authored-by: spaced4ndy <8711996+spaced4ndy@users.noreply.github.com>

src/Simplex/Chat/Help.hs

@@ -185,6 +185,8 @@ contactsHelpInfo =
       indent <> highlight "/verify @<name>          " <> " - clear security code verification",
       indent <> highlight "/info @<name>            " <> " - info about contact connection",
       indent <> highlight "/switch @<name>          " <> " - switch receiving messages to another SMP relay",
+      indent <> highlight "/pq @<name> on/off       " <> " - [BETA] toggle quantum resistant / standard e2e encryption for a contact",
+      indent <>           "                         " <> "   (both have to enable for quantum resistance)",
       "",
       green "Contact chat preferences:",
       indent <> highlight "/set voice @<name> yes/no/always   " <> " - allow/prohibit voice messages with the contact",
@@ -320,6 +322,7 @@ settingsInfo =
   map
     styleMarkdown
     [ green "Chat settings:",
+      indent <> highlight "/pq on/off               " <> " - [BETA] toggle quantum resistant / standard e2e encryption for the new contacts",
       indent <> highlight "/network                 " <> " - show / set network access options",
       indent <> highlight "/smp                     " <> " - show / set configured SMP servers",
       indent <> highlight "/xftp                    " <> " - show / set configured XFTP servers",