Steps to reproduce:
1. Observe Plane third constructor (or watch attached photo).

Expected results: "this.m_Distance = -Vector3.Dot(this.m_Normal, inPoint);"
Actual results: "this.m_Distance = -Vector3.Dot(inNormal, inPoint);"

--- "This.m_Normal" normalizes passed vector but doesn't use it to calculate "this.m_Distance". The reason behind
this is that user can accidentally pass not normalized vector so the second line of Plane third overload constructor
will use not normalized vector and will calculate distance wrong. The code used in actual results will save user from
normalization errors. (More about this in editor window).