mirbridge: show symbol IDs in --showir:transf output

This makes debugging symbol-related issues with `--showir` a bit easier.

Author: zerbina

compiler/mir/mirbridge.nim

@@ -42,6 +42,7 @@ let reprConfig = block:
   rc.flags.excl trfShowFullSymTypes
   rc.flags.excl trfShowNodeTypes
   rc.flags.incl trfShowSymKind
+  rc.flags.incl trfShowSymId
   rc
 
 template isEnabled(config: ConfigRef, ir: IrName, name: string): bool =