slapos_jio: Ensure that erp5_web_renderjs_ui is on RJS

After upgrades and changes in the project, the skin could be removed by the upgrade of slapos_web bt5

master/bt5/slapos_jio/RegisteredSkinSelectionTemplateItem/registered_skin_selection.xml

 <registered_skin_selection>
+ <skin_folder_selection>
+  <skin_folder>erp5_web_renderjs_ui</skin_folder>
+  <skin_selection>RJS</skin_selection>
+ </skin_folder_selection>
  <skin_folder_selection>
   <skin_folder>slapos_hal_json_style</skin_folder>
   <skin_selection>Hal,HalRestricted,RJS</skin_selection>

master/bt5/slapos_jio/bt/template_registered_skin_selection_list

+erp5_web_renderjs_ui | RJS
 slapos_hal_json_style | Hal
 slapos_hal_json_style | HalRestricted
 slapos_hal_json_style | RJS
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