[helidon-generator] Fix Nested Types in other packages

http-generator-core/src/main/java/io/avaje/http/generator/core/UType.java

@@ -75,6 +75,28 @@ default String genericParams() {
     return "";
   }
 
+  static String innerTypesImport(String type) {
+    final var parts = type.split("\\.");
+    var result = "";
+    var foundUpper = false;
+
+    for (var i = 0; i < parts.length; i++) {
+      if (!Character.isUpperCase(parts[i].charAt(0))) {
+        result += parts[i] + ".";
+      } else if (!foundUpper) {
+        foundUpper = true;
+        result += parts[i] + (i == parts.length - 1 ? "" : ".");
+      } else {
+        break;
+      }
+    }
+
+    if (result.endsWith(".")) {
+      result = result.substring(0, result.length() - 1);
+    }
+    return result;
+  }
+
   class VoidType implements UType {
 
     @Override
@@ -122,7 +144,7 @@ public String full() {
     public Set<String> importTypes() {
       return isJavaLangPackage(rawType)
           ? Set.of()
-          : Collections.singleton(rawType.replace("[]", ""));
+          : Collections.singleton(innerTypesImport(rawType.replace("[]", "")));
     }
 
     @Override
@@ -217,28 +239,6 @@ public Set<String> importTypes() {
       return set;
     }
 
-    public String innerTypesImport(String type) {
-      final var parts = type.split("\\.");
-      var result = "";
-      var foundUpper = false;
-
-      for (var i = 0; i < parts.length; i++) {
-        if (!Character.isUpperCase(parts[i].charAt(0))) {
-          result += parts[i] + ".";
-        } else if (!foundUpper) {
-          foundUpper = true;
-          result += parts[i] + (i == parts.length - 1 ? "" : ".");
-        } else {
-          break;
-        }
-      }
-
-      if (result.endsWith(".")) {
-        result = result.substring(0, result.length() - 1);
-      }
-      return result;
-    }
-
     @Override
     public boolean isGeneric() {
       return true;

tests/test-nima-jsonb/src/main/java/org/example/path/PathTestController.java

@@ -1,5 +1,7 @@
 package org.example.path;
 
+import org.example.path.nest.PathNestController.NestedTypeResponse;
+
 import io.avaje.http.api.Controller;
 import io.avaje.http.api.Get;
 import io.avaje.http.api.Path;
@@ -14,4 +16,9 @@ public class PathTestController {
   String hello() {
     return "hi";
   }
+
+  @Get("/nested/respo")
+  NestedTypeResponse nested() {
+    return new NestedTypeResponse(0, null);
+  }
 }

tests/test-nima-jsonb/src/main/java/org/example/path/nest/PathNestController.java

@@ -4,10 +4,13 @@
 import io.avaje.http.api.Get;
 import io.avaje.http.api.Path;
 import io.avaje.http.api.Produces;
+import io.avaje.jsonb.Json;
 
 @Path("test")
 @Controller
 public class PathNestController {
+  @Json
+  public record NestedTypeResponse(long id, String name) {}
 
   @Produces("text/plain")
   @Get