Remove unnecessary isSet field
This field is no longer needed, as providing [] as a second parameter
ensures that a useEffect is only called once.  This seems to be
undocumented behaviour.
@@ -173,7 +173,6 @@ const circuitsReducer = (state, action) => {
const { circuits } = action;
const intermediateState = {
...state,
- isSet: true,
circuits
};
return applyStateFns(intermediateState);
@@ -218,7 +217,6 @@ const circuitsReducer = (state, action) => {
function useCircuitsState() {
const [circuitState, circuitsDispatch] = useReducer(circuitsReducer, {
- isSet: false,
circuits: [],
termFilterFn: null,
statusFilterFn: null,
