Fix regression where Edit identities link wasn't working

Extend switch-task command to accept argument in form of task/action.

program/js/app.js

@@ -1499,11 +1499,21 @@ function rcube_webmail()
   // switch to another application task
   this.switch_task = function(task)
   {
+    var action, path;
+
+    if ((path = task.split('/')).length == 2) {
+      task = path[0];
+      action = path[1];
+    }
+
     if (this.task === task && task != 'mail')
       return;
 
     var url = this.get_task_url(task);
 
+    if (action)
+      url += '&_action=' + action;
+
     if (task == 'mail')
       url += '&_mbox=INBOX';
     else if (task == 'logout' && !this.env.server_error) {

skins/classic/templates/compose.html

@@ -93,7 +93,7 @@
             <td class="title"><label for="_from"><roundcube:label name="from" /></label></td>
             <td class="editfield formlinks">
                 <roundcube:object name="composeHeaders" part="from" form="form" id="_from" tabindex="1" />
-                <a href="#identities" onclick="return rcmail.command('identities')"><roundcube:label name="editidents" /></a>
+                <a href="#identities" onclick="return rcmail.command('switch-task', 'settings/identities')"><roundcube:label name="editidents" /></a>
                 <roundcube:button command="extwin" image="/images/icons/extwin.png" width="15" height="15" title="openinextwin" id="openextwinlink" condition="!env:extwin" />
             </td>
         </tr><tr>

skins/elastic/templates/compose.html

@@ -159,7 +159,7 @@
 						<div class="input-group">
 							<roundcube:object name="composeHeaders" part="from" id="_from" form="form" tabindex="1" class="form-control" />
 							<span class="input-group-append">
-								<a href="#identities" onclick="return rcmail.command('identities')" class="input-group-text icon edit" title="<roundcube:label name="editidents" />" tabindex="1"><span class="inner"><roundcube:label name="editidents" /></span></a>
+								<a href="#identities" onclick="return rcmail.command('switch-task', 'settings/identities')" class="input-group-text icon edit" title="<roundcube:label name="editidents" />" tabindex="1"><span class="inner"><roundcube:label name="editidents" /></span></a>
 							</span>
 						</div>
 					</div>

skins/larry/templates/compose.html

@@ -89,7 +89,7 @@
 		<td class="title"><label for="_from"><roundcube:label name="from" /></label></td>
 		<td class="editfield">
 			<roundcube:object name="composeHeaders" part="from" form="form" id="_from" tabindex="1" />
-			<a href="#identities" onclick="return rcmail.command('identities')" class="iconlink edit" tabindex="0"><roundcube:label name="editidents" /></a>
+			<a href="#identities" onclick="return rcmail.command('switch-task', 'settings/identities')" class="iconlink edit" tabindex="0"><roundcube:label name="editidents" /></a>
 		</td>
 	</tr><tr>
 		<td class="title top"><label for="_to"><roundcube:label name="to" /></label></td>