Add href="#", so that the mouse cursor has the right aspect when over the phone icon

Simplify HTML

asterisk_click2dial/static/src/xml/asterisk_click2dial.xml

@@ -9,10 +9,9 @@
 
     <!-- Add phone button in top right menu for "Open Calling Partner" -->
     <t t-name="asterisk_click2dial.OpenCallingPartner">
-        <li class="oe_topbar_item oe_topbar_open_calling_partner" title="Open Calling Partner">
-            <a id="asterisk-open-calling-partner">
-                <i class="fa fa-phone" style="color:white;"></i>
-            </a>
+        <li class="oe_topbar_item oe_topbar_open_calling_partner"
+                title="Open Calling Partner">
+            <a id="asterisk-open-calling-partner" href="#" class="fa fa-phone"/>
         </li>
     </t>