Issue #1107: Fix bug when sorting the 'Used' column in the file syste…

…m table

Use the 'percentage' property for sorting because this is a numeric value instead of a string like '2.43 TiB'.

Fixes: #1107
Signed-off-by: Volker Theile <votdev@gmx.de>

deb/openmediavault/debian/changelog

@@ -1,6 +1,6 @@
 openmediavault (5.6.17-1) stable; urgency=low
 
-  * Issue #1107: Disable sorting of the 'Used' column in the
+  * Issue #1107: Fix bug when sorting the 'Used' column in the
     file system table.
 
  -- Volker Theile <volker.theile@openmediavault.org>  Fri, 01 Oct 2021 16:50:25 +0200

deb/openmediavault/var/www/openmediavault/js/omv/module/admin/storage/filesystem/Filesystem.js

@@ -442,8 +442,8 @@ Ext.define("OMV.module.admin.storage.filesystem.Filesystems", {
 		stateId: "available"
 	},{
 		text: _("Used"),
-		sortable: false,
-		dataIndex: "used",
+		sortable: true,
+		dataIndex: "percentage",
 		stateId: "used",
 		align: "center",
 		renderer: function(value, metaData, record) {