Version 4.5 - Fluent builder doesn't work with recent modification to support inheritance

[jwrosewell]

The Set methods for the builder return a type of Base rather than the inheriting class preventing use in the fluent builder pattern. The following setter is an example.

device-detection-dotnet/FiftyOne.DeviceDetection.Hash.Engine.OnPremise/FlowElements/DeviceDetectionHashEngineBuilderBase.cs

Line 140 in be5134a

public override DeviceDetectionHashEngineBuilderBase<TEngine>

The inheriting class needs to override these Set methods to return the implemented builder type.