fix: add missing dealias to identify ports in compiler plugin

Author: Oron Port

plugin/src/main/scala/plugin/CommonPhase.scala

@@ -224,7 +224,7 @@ abstract class CommonPhase extends PluginPhase:
 
     def hasNestedMemberCond(f: Type => Boolean)(using Context): Boolean =
       def recur(tpe: Type): Boolean =
-        tpe match
+        tpe.dealias match
           case tpe if f(tpe)                    => true
           case rt: RefinedType                  => recur(rt.refinedInfo) || recur(rt.parent)
           case rt: RecType                      => recur(rt.parent)