Add the ownerNameChain function

- To erase the $ in all the hierarchy

scaladoc/src/dotty/tools/scaladoc/tasty/NameNormalizer.scala

@@ -18,13 +18,18 @@ object NameNormalizer {
       escaped
     }
 
-    def normalizedFullName: String = {
-      import reflect.*
-      val fullName = s.fullName
-      val withoutObjectSuffix = if s.flags.is(Flags.Module) then fullName.stripSuffix("$") else fullName
-      val escaped = escapedName(withoutObjectSuffix)
-      escaped
-    }
+    def ownerNameChain: List[String] = {
+        import reflect.*
+        s match
+          case s: reflect.Symbol if s.isNoSymbol => List.empty
+          case s: reflect.Symbol if s == defn.EmptyPackageClass => List.empty
+          case s: reflect.Symbol if s == defn.RootPackage => List.empty
+          case s: reflect.Symbol if s == defn.RootClass => List.empty
+          case _ => s.owner.ownerNameChain :+ s.normalizedName
+      }
+
+    def normalizedFullName: String =
+      s.ownerNameChain.mkString(".")
 
   private val ignoredKeywords: Set[String] = Set("this")