JVET-AE0189 Item 2: Check when activating NNPFA with base flag equal to 0
Implement the check when NNPFA activates a non-base filter, there shall be corresponding NNPFC (i.e., with the same ID and same base flag) already present.
Implement the check when NNPFA activates a non-base filter, there shall be corresponding NNPFC (i.e., with the same ID and same base flag) already present.