[fix] get jenv and use ios safari's fullscreen

frappe/templates/pages/desk.html

@@ -3,7 +3,8 @@
 	<meta charset="utf-8">
 	<title>Frappe Desk</title>
 	<meta name="author" content="">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+	<meta name="viewport" content="width=device-width, initial-scale=1.0,
+		maximum-scale=1.0, minimum-scale=1.0, user-scalable=no, minimal-ui">
 	<link rel="shortcut icon"
 		href="{{ favicon or "/assets/frappe/images/favicon.ico" }}" type="image/x-icon">
 	<link rel="icon"

frappe/utils/jinja.py

@@ -110,7 +110,7 @@ def set_filters(jenv):
 	jenv.filters["flt"] = flt
 
 	# load jenv_filters from hooks.py
-	for app in frappe.get_all_apps(True):
+	for app in frappe.get_installed_apps():
 		for jenv_filter in (frappe.get_hooks(app_name=app).jenv_filter or []):
 			filter_name, filter_function = jenv_filter.split(":")
 			jenv.filters[filter_name] = frappe.get_attr(filter_function)