N°6455 Add jquery-ui NPM package

We need jquery-ui-dist for inclusion in our web pages, but there are no security returned on this package :/
So we are adding jquery-ui, ignoring the corresponding files (only add it to package.json).

package.json

@@ -16,6 +16,7 @@
     "jquery": "^3.5.1",
     "jquery-contextmenu": "^1.6.7",
     "jquery-migrate": "^3.1.0",
+    "jquery-ui": "^1.12.1",
     "jquery-ui-dist": "^1.12.1",
     "magnific-popup": "^1.0.0",
     "mousetrap": "^1.6.5",