Fix version of angular in order to use a stable one.
Fix version of angular in order to use a stable one.

thingsboard/thingsboard,thingsboard/thingsboard,volodymyr-babak/thingsboard,volodymyr-babak/thingsboard,thingsboard/thingsboard,volodymyr-babak/thingsboard,thingsboard/thingsboard,volodymyr-babak/thingsboard,thingsboard/thingsboard,volodymyr-babak/thingsboard,thingsboard/thingsboard,volodymyr-babak/thingsboard