Orderlist: drag&drop in Firefox navigates to the value of dragdropscope

[aikrez]

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http://plnkr.co/edit/OUs44NGWfO7anCv5nqLs?p=preview

Current behavior

When you order an item in Firefox, a navigation gets triggered to the value in dragdropScop
In the example the dragdropScope is 'cars', navigation gets triggered to www.cars.com

Expected behavior

There should be no navigation

Minimal reproduction of the problem with instructions

Order an item

Please tell us about your environment:

• Angular version: 4.2.6

• PrimeNG version: 4.1.0, 4.1.2, 4.2.1

• Browser: Firefox 53 32bit

• Language: TypeScript 2.0.3

• Node (for AoT issues): node --version =

[cagataycivici]

@Merve7 review please.