ux: increased code editor auto complete width from 320px to 550px, fixes #9203

public/sass/components/_code_editor.scss

@@ -28,7 +28,7 @@
   background-color: $dropdownBackground !important;
   color: $dropdownLinkColor !important;
   border: 1px solid $dropdownBorder !important;
-  width: 320px !important;
+  width: 550px !important;
 
   .ace_scroller {
     .ace_selected, .ace_active-line, .ace_line-hover {