slapos_jio: Update background color for parameter editor

Use a light grey to blend nicer in the page.

master/bt5/slapos_jio/PathTemplateItem/web_page_module/rjs_gadget_erp5_page_slap_parameter_form_css.css

@@ -99,8 +99,8 @@ label.slapos-parameter-dict-key-colapse::before {
 }
 div.slapos-parameter-dict-key {
   margin-top: 10px;
-  background: rgb(239, 252, 249);
-  border: 1px solid rgb(233, 247, 253);
+  background: rgb(245, 245, 245);
+  border: 1px solid rgb(230, 230, 230);
   padding: 5px;
 }
 

master/bt5/slapos_jio/PathTemplateItem/web_page_module/rjs_gadget_erp5_page_slap_parameter_form_css.xml

@@ -261,7 +261,7 @@
             </item>
             <item>
                 <key> <string>serial</string> </key>
-                <value> <string>969.36476.25776.58999</string> </value>
+                <value> <string>970.64989.39558.61508</string> </value>
             </item>
             <item>
                 <key> <string>state</string> </key>
@@ -279,7 +279,7 @@
                     </tuple>
                     <state>
                       <tuple>
-                        <float>1539726576.15</float>
+                        <float>1542806911.82</float>
                         <string>UTC</string>
                       </tuple>
                     </state>