[erp5_web_renderjs_ui] Prevent the header to have a width higher than the screen

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_css.css

@@ -545,6 +545,7 @@ div[data-gadget-scope='header'] .ui-header {
   z-index: 1000;
   text-align: center;
   display: flex;
+  width: 100%;
   flex-flow: row wrap;
 }
 @media only screen and (min-width: 62em) {

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_css.xml

@@ -230,7 +230,7 @@
             </item>
             <item>
                 <key> <string>serial</string> </key>
-                <value> <string>952.24232.30623.62429</string> </value>
+                <value> <string>952.25951.52251.28194</string> </value>
             </item>
             <item>
                 <key> <string>state</string> </key>
@@ -248,7 +248,7 @@
                     </tuple>
                     <state>
                       <tuple>
-                        <float>1467798619.41</float>
+                        <float>1467901814.61</float>
                         <string>UTC</string>
                       </tuple>
                     </state>

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

@@ -638,6 +638,8 @@ div[data-gadget-scope='header'] .ui-header {
   text-align: center;
 
   display: flex;
+  // Prevent the header to have a width higher than the screen
+  width: 100%;
   flex-flow: row wrap;
 
   @media @desktop {