Log presence errors as errors

Dependencies

• [2] TGO4TIWU Fix README
• [3] 3RMEABMU Prepare to add HTTP API to ping cutom jids
• [4] FZBPGF6X Describe ping

Change contents

• replacement in src/xmpp/xmpp_connection.rs at line 680
  [2.21151]→[2.21151:21214](∅→∅)
  − warn!("Incoming presence stanza: {:?}", presence);
  [2.21151]

  [2.21214]
  + match presence.type_ {

  + xmpp_parsers::presence::Type::Error | xmpp_parsers::presence::Type::Unavailable => {

  + error!("Incoming presence stanza error: {:?}", presence);

  + }

  + _ => {

  + warn!("Incoming presence stanza: {:?}", presence);

  + }

  + }