core: api to change user of pending connections (#4681)

* core: add api that enables change of owner user id for pending connections

* old user sends request, incognito handling and coverage

* call agent inside set connection api

* only set user id if servers match

* simplify

* reduce test noise

* return invitation when a newone is created

* add test for profile on different server

* refactor namings

* update simplexmq

* refactor

* test improvements and simplify

* remove fdescribes

* simplify and reduce vars scope

* put if back

* refactor, change error

* refactor view

* refactor

---------

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

src/Simplex/Chat/Controller.hs

@@ -403,6 +403,7 @@ data ChatCommand
   | APIAddContact UserId IncognitoEnabled
   | AddContact IncognitoEnabled
   | APISetConnectionIncognito Int64 IncognitoEnabled
+  | APIChangeConnectionUser Int64 UserId -- new user id to switch connection to
   | APIConnectPlan UserId AConnectionRequestUri
   | APIConnect UserId IncognitoEnabled (Maybe AConnectionRequestUri)
   | Connect IncognitoEnabled (Maybe AConnectionRequestUri)
@@ -628,6 +629,7 @@ data ChatResponse
   | CRVersionInfo {versionInfo :: CoreVersionInfo, chatMigrations :: [UpMigration], agentMigrations :: [UpMigration]}
   | CRInvitation {user :: User, connReqInvitation :: ConnReqInvitation, connection :: PendingContactConnection}
   | CRConnectionIncognitoUpdated {user :: User, toConnection :: PendingContactConnection}
+  | CRConnectionUserChanged {user :: User, fromConnection :: PendingContactConnection, toConnection :: PendingContactConnection, newUser :: User}
   | CRConnectionPlan {user :: User, connectionPlan :: ConnectionPlan}
   | CRSentConfirmation {user :: User, connection :: PendingContactConnection}
   | CRSentInvitation {user :: User, connection :: PendingContactConnection, customUserProfile :: Maybe Profile}
@@ -1191,6 +1193,7 @@ data ChatErrorType
   | CEAgentCommandError {message :: String}
   | CEInvalidFileDescription {message :: String}
   | CEConnectionIncognitoChangeProhibited
+  | CEConnectionUserChangeProhibited
   | CEPeerChatVRangeIncompatible
   | CEInternalError {message :: String}
   | CEException {message :: String}