Add extension into dispatcher block code

This is necessary to make sure the extension addition is actually
done in case of refresh of the queue page.

References #3389

deps/rabbitmq_stream_management/priv/www/js/stream.js

@@ -11,7 +11,25 @@ dispatcher_add(function(sammy) {
                         'publishers': '/stream/connections/' + vhost + '/' + name + '/publishers'},
                         'streamConnection', '#/stream/connections');
             });
-
+    // not exactly dispatcher stuff, but we have to make sure this is called before
+    // HTTP requests are made in case of refresh of the queue page
+    QUEUE_EXTRA_CONTENT_REQUESTS.push(function(vhost, queue) {
+        return {'extra_stream_publishers' : '/stream/publishers/' + esc(vhost) + '/' + esc(queue)};
+    });
+    QUEUE_EXTRA_CONTENT.push(function(queue, extraContent) {
+        if (is_stream(queue)) {
+            var publishers = extraContent['extra_stream_publishers'];
+            if (publishers !== undefined) {
+                return '<div class="section"><h2>Stream publishers</h2><div class="hider updatable">' +
+                    format('streamPublishersList', {'publishers': publishers}) +
+                    '</div></div>';
+            } else {
+                return '';
+            }
+        } else {
+            return '';
+        }
+    });
 });
 
 NAVIGATION['Stream'] = ['#/stream/connections', "monitoring"];
@@ -63,22 +81,3 @@ CONSUMER_OWNER_FORMATTERS.push({
 
 CONSUMER_OWNER_FORMATTERS.sort(CONSUMER_OWNER_FORMATTERS_COMPARATOR);
 
-QUEUE_EXTRA_CONTENT_REQUESTS.push(function(vhost, queue) {
-    return {'extra_stream_publishers' : '/stream/publishers/' + esc(vhost) + '/' + esc(queue)};
-});
-
-QUEUE_EXTRA_CONTENT.push(function(queue, extraContent) {
-    if (is_stream(queue)) {
-        var publishers = extraContent['extra_stream_publishers'];
-        if (publishers !== undefined) {
-            return '<div class="section"><h2>Stream publishers</h2><div class="hider updatable">' +
-                format('streamPublishersList', {'publishers': publishers}) +
-                '</div></div>';
-
-        } else {
-            return '';
-        }
-    } else {
-        return '';
-    }
-});