Experiment Page Training Status

These are applicable to non-draft trainings.

RunStatus Java Constant	Condition	On Experiment Page
NotStarted	Training not started	Loading icon
Starting	Starting training	Loading icon
Running	Training in progress	Loading icon
Completed	Training completed	Checkmark icon
Error	Errors in Runs	Exclamation mark error icon
Killed	Stopped manually	Grey stopped icon
Killed (Mapped to Error)	AWS killed the node training_error_id column in Run table is filled	Exclamation mark error icon
Restarting	Training restarting	Loading icon
Stopping	Training stopping	Grey stopped icon

For details of "Killed" UI status, see #1122