ipcd: Refactor const part of endpoint into substructure.
ipcd: Refactor const part of endpoint into substructure.

Remove 'stripping' for IDMap lookup, just use EP field.

dtzWill/ipcopter,dtzWill/ipcopter,dtzWill/ipcopter,dtzWill/ipcopter,dtzWill/ipcopter,dtzWill/ipcopter