When pMixin.Masks is specified inherited interfaces should be filtered as well

[ppittle]

Example:

interface I1{}

interface I2{}

class Mixin : I1, I2{}

[pMixin(Mixin = typeof(Mixin), Masks = new []{typeof(I1)})]
partial class Target{}

Test

Assert.IsFalse(new Target() is I2);

[ppittle]

Fixed