dgram: reset bind state before emitting error

This was previously done inconsistently, sometimes before, sometimes
after emitting the event.

PR-URL: #30210
Fixes: #30209
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

lib/dgram.js

@@ -240,8 +240,8 @@ Socket.prototype.bind = function(port_, address_ /* , callback */) {
       }, (err) => {
         // Callback to handle error.
         const ex = errnoException(err, 'open');
-        this.emit('error', ex);
         state.bindState = BIND_STATE_UNBOUND;
+        this.emit('error', ex);
       });
       return this;
     }
@@ -309,8 +309,8 @@ Socket.prototype.bind = function(port_, address_ /* , callback */) {
       }, (err) => {
         // Callback to handle error.
         const ex = exceptionWithHostPort(err, 'bind', ip, port);
-        this.emit('error', ex);
         state.bindState = BIND_STATE_UNBOUND;
+        this.emit('error', ex);
       });
     } else {
       if (!state.handle)
@@ -319,8 +319,8 @@ Socket.prototype.bind = function(port_, address_ /* , callback */) {
       const err = state.handle.bind(ip, port || 0, flags);
       if (err) {
         const ex = exceptionWithHostPort(err, 'bind', ip, port);
-        this.emit('error', ex);
         state.bindState = BIND_STATE_UNBOUND;
+        this.emit('error', ex);
         // Todo: close?
         return;
       }