core: choose random servers for the first user profile, use the same servers for other profiles (#4584)

* core: choose random servers for the first user profile, use the same servers for other profiles

* update ui clients

src/Simplex/Chat/Controller.hs

@@ -174,8 +174,10 @@ defaultChatHooks =
 
 data DefaultAgentServers = DefaultAgentServers
   { smp :: NonEmpty (ServerCfg 'PSMP),
+    useSMP :: Int,
     ntf :: [NtfServer],
     xftp :: NonEmpty (ServerCfg 'PXFTP),
+    useXFTP :: Int,
     netCfg :: NetworkConfig
   }