slapos_jio: Preserve button whenever the failover text_area is displayed

   This allow user edit the text area to fix the parameters and try to reload the form.

master/bt5/slapos_jio/PathTemplateItem/web_page_module/rjs_gadget_erp5_page_slap_parameter_form_js.js

@@ -681,7 +681,7 @@
       }
 
       if (show_form_button !== null) {
-        $(show_form_button).addClass("hidden-button");
+        $(show_form_button).removeClass("hidden-button");
       }
 
       div.setAttribute("class", "field");

master/bt5/slapos_jio/PathTemplateItem/web_page_module/rjs_gadget_erp5_page_slap_parameter_form_js.xml

@@ -280,7 +280,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>999.21909.45114.57719</string> </value>
+                      <value> <string>999.21924.60509.42444</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -298,7 +298,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1649101735.33</float>
+                              <float>1649185724.55</float>
                               <string>UTC</string>
                             </tuple>
                           </state>