Enable setting NetworkVariable with&without invoking OnValueChanged.

[babaq]

Is your feature request related to a problem? Please describe.
The default behavior of updating NetworkVariable was that the new value should be different than old value, but sometimes we want the OnValueChanged to be invoked no matter it's same or not. And in another case, we want to set NetworkVariable value without invoking OnValueChanged.

Describe the solution you would like:
Add a member function:

public void SetValue<T>(T value, bool notify)

notify==true means no matter whether new value equals old value, we always invoke OnValueChanged.
notify==false means no matter whether new value equals old value, we don't invoke OnValueChanged.

[jabbacakes]

Thank you for making this feature request ^_^ I've forwarded it to the development team to consider.