Elastic: Add mobile FAB button for filter creation

plugins/managesieve/Changelog

@@ -2,6 +2,7 @@
 - Added option managesieve_forward to enable settings dialog for simple forwarding (#6021)
 - Support filter action with custom IMAP flags (#6011)
 - Support 'mime' extension tests - RFC5703 (#5832)
+- Support Elastic skin
 
 * version 9.0 [2017-10-02]
 -----------------------------------------------------------

plugins/managesieve/skins/elastic/templates/managesieve.html

@@ -45,7 +45,7 @@
 		<div id="responsestoolbar" class="toolbar">
 			<roundcube:button command="plugin.managesieve-add" type="link"
 				label="create" title="managesieve.filteradd" innerClass="inner"
-				class="button create disabled" classAct="button create" />
+				class="button create disabled" classAct="button create" data-fab="true" />
 			<roundcube:button command="plugin.managesieve-del" type="link"
 				label="delete" title="delete" innerClass="inner"
 				class="button delete disabled" classAct="button delete" />