[erp5_web_renderjs_ui] Listbox: do not force icon line background color

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_nojqm_css.css

@@ -1478,7 +1478,6 @@ div[data-gadget-scope='erp5_searchfield'] div.search_parsed_value button {
     right: 6pt;
     top: 50%;
     margin-top: -0.75em;
-    background-color: #FFFFFF;
     border-radius: 0.5em;
     width: 1em;
     text-align: center;

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_nojqm_css.xml

@@ -242,7 +242,7 @@
             </item>
             <item>
                 <key> <string>serial</string> </key>
-                <value> <string>969.29269.48025.33672</string> </value>
+                <value> <string>969.29296.7489.35123</string> </value>
             </item>
             <item>
                 <key> <string>state</string> </key>
@@ -260,7 +260,7 @@
                     </tuple>
                     <state>
                       <tuple>
-                        <float>1533737913.65</float>
+                        <float>1533742709.1</float>
                         <string>UTC</string>
                       </tuple>
                     </state>

bt5/erp5_web_renderjs_ui/SkinTemplateItem/portal_skins/erp5_web_renderjs_ui/erp5css.less.txt

@@ -1724,7 +1724,6 @@ div[data-gadget-scope='erp5_searchfield'] {
                 top: 50%;
                 margin-top: -0.75em;
 
-                background-color: @colorbackground;
                 border-radius: 0.5em;
                 width: 1em;
                 text-align: center;