software/js-drone: fix log printing in GUI

Fix logs printed out of the logging area

software/js-drone/buildout.hash.cfg

@@ -38,7 +38,7 @@ md5sum = 1555496ad591a31a845f33488d5c335d
 
 [script-js]
 _update_hash_filename_ = web-gui/script.js.jinja2
-md5sum = 24ed6ce534feab8bbb93f06246275e89
+md5sum = 9a5e44ae134697abb5b257ef9cb5b22a
 
 [worker]
 _update_hash_filename_ = drone-scripts/worker.js.jinja2

software/js-drone/web-gui/script.js.jinja2

@@ -132,12 +132,10 @@
         new_div.appendChild(new_span);
       }
 
-      if (prompt.children.length === PROMPT_MAX_MSG) {
-        setTimeout(function() {
-          prompt.removeChild(prompt.firstElementChild);
-        }, 0);
-      }
       setTimeout(function() {
+        if (prompt.children.length === PROMPT_MAX_MSG) {
+          prompt.removeChild(prompt.firstElementChild);
+        }
         prompt.appendChild(new_div);
       }, 0);
     } else {