Merge #319: fix: drop connections to hws in share xpub panel

42940f638598b02acf1cc4f175703725a2ef3cf2 fix: drop connections to hws in share xpub panel (edouard)

Pull request description:

  Use needs to be able to start new connections
  in the register descriptor step.

ACKs for top commit:
  edouardparis:
    Self-ACK 42940f638598b02acf1cc4f175703725a2ef3cf2

Tree-SHA512: 01b146209cb74e5db7819e7249b51881e0f773d32ae2b1400914e0751f702325447b304eeca0f4eadf50113c4ea0535d24c73ef8b311c9de453877659933650f

gui/src/installer/step/descriptor.rs

@@ -910,6 +910,8 @@ impl Step for ParticipateXpub {
 
     fn apply(&mut self, ctx: &mut Context) -> bool {
         ctx.bitcoin_config.network = self.network;
+        // Drop connections to hardware wallets.
+        self.xpubs_hw = Vec::new();
         true
     }