[backend] categories search doesnt work.

[gochev]

Autocomplete for categories is broken

it stucks the moment you type something.

The server respnse looks ok.

{
  "_embedded" : {
    "categoryEntities" : [ {
      "name" : {
        "bg_BG" : {
          "value" : "Устроиства"
        },
        "en" : {
          "value" : "Devices"
        }
      },
      "description" : { },
      "uid" : "devices",
      "pk" : "846499163386912",
      "entityName" : "category",
      "_links" : {
        "self" : {
          "href" : "https://localhost:8112/storefront/rest/category/846499163386912"
        },
        "category" : {
          "href" : "https://localhost:8112/storefront/rest/category/846499163386912{?projection}",
          "templated" : true
        },
        "supercategories" : {
          "href" : "https://localhost:8112/storefront/rest/category/846499163386912/supercategories"
        },
        "subcategories" : {
          "href" : "https://localhost:8112/storefront/rest/category/846499163386912/subcategories"
        },
        "picture" : {
          "href" : "https://localhost:8112/storefront/rest/category/846499163386912/picture"
        },
        "thumbnail" : {
          "href" : "https://localhost:8112/storefront/rest/category/846499163386912/thumbnail"
        }
      }
    } ]
  },
  "_links" : {
    "self" : {
      "href" : "https://localhost:8112/storefront/rest/category/search/findByUidIsStartingWithIgnoreCase/?_dc=1468314298746&uid=device&projection=search&page=1&start=0&size=10"
    }
  },
  "page" : {
    "size" : 10,
    "totalElements" : 1,
    "totalPages" : 1,
    "number" : 0
  }
}

[YoanaIvanova]

I am not able to debug this, since it seems like the bug is not always reproducible.