RST-1846 - Adding search query value to GA tracking (#900)
RST-1846 - Adding search query value to GA tracking (#900)

* Adding search query value to GA tracking

So we can see what are people searching for and anylyse it, then optimize the search itself based on that.

* Adding value for empty search

ministryofjustice/fr-staffapp,ministryofjustice/fr-staffapp,ministryofjustice/fr-staffapp,ministryofjustice/fr-staffapp