version of jquery dropped down due to problem with jquery-ui plugin

frontend-js/package-lock.json

@@ -2722,15 +2722,14 @@
       "integrity": "sha1-MIGz/qZR+TF+xr1P6y3cmKpB1ZU="
     },
     "jquery": {
-      "version": "3.2.1",
-      "resolved": "https://registry.npmjs.org/jquery/-/jquery-3.2.1.tgz",
-      "integrity": "sha1-XE2d5lKvbNCncBVKYxu6ErAVx4c="
+      "version": "2.2.4",
+      "resolved": "https://registry.npmjs.org/jquery/-/jquery-2.2.4.tgz",
+      "integrity": "sha1-LInWiJterFIqfuoywUUhVZxsvwI="
     },
     "jquery-ui": {
       "version": "1.10.5",
       "resolved": "https://registry.npmjs.org/jquery-ui/-/jquery-ui-1.10.5.tgz",
-      "integrity": "sha1-gmrtPdH4jTKudddN9IZD3EMaWBU=",
-      "dev": true
+      "integrity": "sha1-gmrtPdH4jTKudddN9IZD3EMaWBU="
     },
     "js-tokens": {
       "version": "3.0.2",

frontend-js/package.json

@@ -46,7 +46,7 @@
     "file-saver": "^1.3.8",
     "http-status-codes": "^1.3.0",
     "is-url": "^1.2.4",
-    "jquery": "3.2.1",
+    "jquery": "2.2.4",
     "jquery-ui": "1.10.5",
     "jstree": "^3.3.5",
     "jszip": "^3.1.5",