Policy Filler Scope Configuration Option

[rocristib]

Describe the bug
No configuration option to set the Filter Policy Scope for Message Body (Payload)

Is your feature request related to a problem? Please describe.
Unable to configure a SNS subscription which filters Messages using Body properties

Describe the solution you'd like
A configuration option PolicyFilterScope, similar with existing PolicyFilter

Actual behavior
Far a configured Policy Filter the Scope is set to use Message Attributes by default

System information:

• OS: Windows 10
• Library Version 7.1.1
• .NET version 6