fix grouping multisig parser to process events in local mode (WebOfTr…

…ust#804)

Signed-off-by: 2byrds <2byrds@gmail.com>

src/keri/app/grouping.py

@@ -662,7 +662,7 @@ def add(self, serder):
  ims.extend(atc)
 
  # ... and parse
- self.psr.parse(ims=ims)
+ self.psr.parse(ims=ims, local=True)
 
  else:
  # Should we prod the user with another submission if we haven't already approved it?