fix(core,common): ignore duplicated versions

packages/common/decorators/core/controller.decorator.ts

@@ -164,7 +164,9 @@ export function Controller(
         prefixOrOptions.path || defaultPath,
         prefixOrOptions.host,
         { scope: prefixOrOptions.scope },
-        prefixOrOptions.version,
+        Array.isArray(prefixOrOptions.version)
+          ? Array.from(new Set(prefixOrOptions.version))
+          : prefixOrOptions.version,
       ];
 
   return (target: object) => {

packages/common/decorators/core/version.decorator.ts

@@ -7,6 +7,11 @@ import { VersionValue } from '../../interfaces/version-options.interface';
  * @publicApi
  */
 export function Version(version: VersionValue): MethodDecorator {
+  if (Array.isArray(version)) {
+    // Drop duplicated versions
+    version = Array.from(new Set(version));
+  }
+
   return (
     target: any,
     key: string | symbol,

packages/core/application-config.ts

@@ -136,6 +136,11 @@ export class ApplicationConfig {
   }
 
   public enableVersioning(options: VersioningOptions): void {
+    if (Array.isArray(options.defaultVersion)) {
+      // Drop duplicated versions
+      options.defaultVersion = Array.from(new Set(options.defaultVersion));
+    }
+
     this.versioningOptions = options;
   }