Mail: Fix folder ACL

- Set searchUrl in template so it can be found during initialization.  Using modifications to clear it.
- Passing initial value to avoid a query

mail/inc/class.mail_acl.inc.php

@@ -139,11 +139,11 @@ class mail_acl
 		}
 		if (!$this->imap->isAdminConnection)
 		{
-			$tmpl->setElementAttribute('mailbox', 'autocomplete_url', 'mail.mail_compose.ajax_searchFolder');
-			$tmpl->setElementAttribute('mailbox', 'autocomplete_params', array('mailaccount' => $acc_id));
+			$tmpl->setElementAttribute('mailbox', 'searchOptions', array('mailaccount' => $acc_id));
 		}
 		else
 		{
+			$tmpl->setElementAttribute('mailbox', 'searchUrl', '');
 			//Todo: Implement autocomplete_url function with admin stuffs consideration
 		}
 		// Unset the content if folder is changed, in order to read acl rights for new selected folder
@@ -253,6 +253,7 @@ class mail_acl
 			}
 		}
 		$readonlys = $sel_options = array();
+		$sel_options['mailbox'] = [['value' => $mailbox, 'label' => $mailbox]];
 		$sel_options['acl'] = $this->aclRightsAbbrvs;
 
 		//Make the account owner's fields all readonly as owner has all rights and should not be able to change them

mail/js/app.js

@@ -4439,7 +4439,7 @@ app.classes.mail = AppJS.extend(
 
 		if (mailbox)
 		{
-			if (mailbox.taglist.getValue().length > 0)
+			if (mailbox.value.length > 0)
 			{
 				this.et2._inst.submit();
 			}

mail/templates/default/acl.xet

@@ -14,7 +14,9 @@
 				</row>
 				<row>
 					<description value="Folder"/>
-					<taglist id="mailbox" width="100%" maxSelection="1" height="150" multiple="false" allowFreeEntries="false" onchange='app.mail.acl_folderChange'/>
+					<taglist id="mailbox" width="100%" maxSelection="1" height="150" multiple="false"
+                             allowFreeEntries="false" searchUrl="mail.mail_compose.ajax_searchFolder"
+                             onchange='app.mail.acl_folderChange'/>
 				</row>
 				<row>
 					<description value="Rights"/>