Index "Realized" SecOps & Existing Bundle SecOps in policy provider

[jeronstone]

Allows to check for uniqueness, etc. amongst existing SecOps in the bundle at the point of PP query

[BrianSipos]

This index can be generated from the bundle by the BSL at start of processing and the index state should be kept as part of the bundle context struct, separate from any part controlled by the BPA integration.