"No Selection" error when generating shipments

[metas-ts]

Is this a bug or feature request?

Bug

What is the current behavior?

• do yome filtering in the shipment schedule (Liefer dispo) window, but don't select an records
  • the "Auswahl liefern"/"Generate Shipments" aktion is available
• try to run the action
  • "Error: NoSelection.."

What is the expected or desired behavior?

if no records are selected, then don't provide this action

[metas-ts]

implemented in the release branch, merged to 2018-12 and master

[metas-lc]

IT
if no records are selected, then don't provide this action OK
but if a line is processed you can still run Generate Shipments NOK

note for next IT: if you select multiple lines, and at least one is not processed, you shall see the action

[metas-rc]

Resulta of IT:

Tested on webui:

• OK: If I only use a filter but do not select any schedule, the " generate shipments action is not available:
• OK: If I select a line that is processed, the action is not available.
• OK: If I select a line that is not processed, the action is available.
• OK: If I select multiple lines that are processed the action is available.
• OK: If I select multiple lines that are not processed, the action is not available.
• OK: If I select both processed and not processed lines, the action is available.