Use oninput for secondary devices names and allow for consecutive pairings without closing the dialog

js/views/app_view.js

@@ -213,7 +213,7 @@
         Whisper.events.off('devicePairingRequestReceived');
       });
 
-      dialog.once('devicePairingRequestAccepted', (pubKey, cb) =>
+      dialog.on('devicePairingRequestAccepted', (pubKey, cb) =>
         Whisper.events.trigger('devicePairingRequestAccepted', pubKey, cb)
       );
       dialog.on('devicePairingRequestRejected', pubKey =>

js/views/device_pairing_dialog_view.js

@@ -92,7 +92,7 @@
       if (!errors) {
         this.$('.transmissionStatus').text(i18n('provideDeviceAlias'));
         this.$('#deviceAliasView').show();
-        this.$('#deviceAlias').on('keydown', e => {
+        this.$('#deviceAlias').on('input', e => {
           if (e.target.value.trim()) {
             this.$('.requestAcceptedView .ok').removeAttr('disabled');
           } else {