Custom property resolve that resolves active flow session scope properties
from a thread bound flow execution.
TODO: this class probably needs to delegate to a strategy object pulled out
of the appcontext, to provide ability to override and configure, as JSF
provides no other way to customize and configure this instance.
TODO: this class probably needs to delegate to a strategy object pulled out of the appcontext, to provide ability to override and configure, as JSF provides no other way to customize and configure this instance.