Fix System.InvalidOperationException in XMPPClient.setAccount (XMPPAccount)

[COM8]

Version 0.23.0.0(0.23.0.0)

Stacktrace

XMPP_API.Classes.XMPPClient.setAccount(XMPPAccount) + 0x20e;XMPP_API.Classes

Data_Manager2.Classes.ConnectionHandler.<INSTANCE_AccountChanged>d__37.MoveNext() + 0x2b1;Data_Manager2.Classes.ConnectionHandler

__Interop.ComCallHelpers.Call(__ComObject, RuntimeTypeHandle, Int32) + 0xb8;__Interop

__Interop.ForwardComStubs.Stub_20[TThis](__ComObject, Int32) + 0x24;__Interop

Reason

System.InvalidOperationException

Link to App Center

• https://appcenter.ms/orgs/UWPX/apps/UWPX-Client/crashes/errors/984228900u

[COM8]

Related to #79