Fix issue in activating the VM disk while attaching disk

Currently <active> tag is passed within the disk element which is
incorrect. As a result, disk will remain inactive even though the
default option is true.

lib/ansible/modules/extras/cloud/ovirt/ovirt_vms.py

@@ -532,8 +532,8 @@ class VmsModule(BaseModule):
                         otypes.DiskAttachment(
                             disk=otypes.Disk(
                                 id=disk_id,
-                                active=disk.get('activate', True),
                             ),
+                            active=disk.get('activate', True),
                             interface=otypes.DiskInterface(
                                 disk.get('interface', 'virtio')
                             ),