[FSunstone] Improve Stepper Dialog

[tinova]

• [x] Custom vars in CONTEXT https://github.com/OpenNebula/one/issues/5628
• [x] Make optional the step to select template on instantiate form
• [x] TimePicker sched actions
• [x] New Scheduled actions by Frederick
• [ ] Make steps from stepper configurable at the yaml level
• [x] Make steps from stepper configurable by previous choices on the stepper
• [x] Add checkbox to add VROUTER attribute to VM Templates
• [ ] New section to edit ownership & permissions in stepper form:

  datastore.xsd:        <xs:element name="PERMISSIONS" minOccurs="0" maxOccurs="1">
  document.xsd:        <xs:element name="PERMISSIONS" minOccurs="0" maxOccurs="1">
  vm.xsd:        <xs:element name="PERMISSIONS" minOccurs="0" maxOccurs="1">
  vnet_pool.xsd:              <xs:element name="PERMISSIONS" minOccurs="0" maxOccurs="1">
  vnet.xsd:        <xs:element name="PERMISSIONS" minOccurs="0" maxOccurs="1">
  vrouter.xsd:        <xs:element name="PERMISSIONS" minOccurs="0" maxOccurs="1">
  opennebula_configuration.xsd:   <xs:element name="ENABLE_OTHER_PERMISSIONS" minOccurs="0" maxOccurs="1">
  security_group.xsd:        <xs:element name="PERMISSIONS" minOccurs="0" maxOccurs="1">
  image.xsd:        <xs:element name="PERMISSIONS" minOccurs="0" maxOccurs="1">
  marketplaceapp.xsd:        <xs:element name="PERMISSIONS" minOccurs="0" maxOccurs="1">
  acct.xsd:              <xs:element name="PERMISSIONS" minOccurs="0" maxOccurs="1">
  vm_group.xsd:        <xs:element name="PERMISSIONS" minOccurs="0" maxOccurs="1">
  vntemplate.xsd:        <xs:element name="PERMISSIONS" minOccurs="1" maxOccurs="1">
  marketplace.xsd:        <xs:element name="PERMISSIONS" minOccurs="0" maxOccurs="1">
  vmtemplate.xsd:        <xs:element name="PERMISSIONS" minOccurs="1" maxOccurs="1">
  

• [x] Add advanced options to Add NIC / DISKS dialogs (IPv4 method, IOPS, etc) ( & potentially more)
• [x] Implement cards for NIC / DISKS ( & potentially more)
• [x] Bug: logout when refresh the browser

[sbbarragan]

PRs to merge into OpenNebula/one

• https://github.com/OpenNebula/one-ee/pull/1604
• https://github.com/OpenNebula/one-ee/pull/1622
• https://github.com/OpenNebula/one-ee/pull/1623
• https://github.com/OpenNebula/one-ee/pull/1667
• https://github.com/OpenNebula/one-ee/pull/1675
• https://github.com/OpenNebula/one-ee/pull/1676
• https://github.com/OpenNebula/one-ee/pull/1677
• https://github.com/OpenNebula/one-ee/pull/1692
• https://github.com/OpenNebula/one-ee/pull/1695
• https://github.com/OpenNebula/one-ee/pull/1771
• https://github.com/OpenNebula/one-ee/pull/1788
• https://github.com/OpenNebula/one-ee/pull/2073