tasks Show the last time a task was run

[russorat]

as a task user
with admin permissions or higher
when i view the list of tasks
then i would like to see the last time the task was run

[lyondhill]

The backend has been completed for this action by https://github.com/influxdata/platform/pull/1765. I assume this issue is to stay open until the front end is complete.

[mark-rushakoff]

Based on Lyon's comment, I believe the blocked label should be removed.