John Cowen 74ade640e3
ui: Use WithEventSource mixin on intentions to ensure cleanup (#7333)
The WithEventSource mixin has a reset method when the Controller is
exited which will close any open EventSources/Blocking queries.

This adds it in for intentions
2020-02-21 14:00:33 +00:00
..
2018-05-10 19:52:53 +01:00