Error messages on termpage template modals could be more specific

The error message on the modal shows the same error for invalid console-container attachment termsocket URI, even when that is not the case and actually, the container is just in the EXITED state. The messages could be made more specific to let know the user about the exact nuances behind the failure to attach a console.

Here's a screenshot.


Start from the termpage template modals mentioned in the issue and reproduce console attachment failures for an invalid termsocket URI and an EXITED container. Review how each failure currently produces the same message; done means the modal identifies the specific cause for each case.

Written by the indexing model from the issue text.