#1296 change count ... gt 0 to !empty in SidebarAppMenu.tpl

More compatible with PHP 7.2+. Reduce warnings like "count(): Parameter must be an array or an object that implements Countable in..." in log

layouts/v7/modules/Vtiger/partials/SidebarAppMenu.tpl

@@ -32,7 +32,7 @@
{assign var=APP_LIST value=Vtiger_MenuStructure_Model::getAppMenuList()}
{foreach item=APP_NAME from=$APP_LIST}
{if $APP_NAME eq 'ANALYTICS'} {continue}{/if}
-				{if count($APP_GROUPED_MENU.$APP_NAME) gt 0}
+				{if !empty($APP_GROUPED_MENU.$APP_NAME)}
<div class="dropdown app-modules-dropdown-container">
{foreach item=APP_MENU_MODEL from=$APP_GROUPED_MENU.$APP_NAME}
{assign var=FIRST_MENU_MODEL value=$APP_MENU_MODEL}