fix invalid registry path ends with 'master' or 'worker' (#14328)

Co-authored-by: Zinway Liu <zinway.liu@ucloud.cn>
Co-authored-by: Aaron Wang <wangweirao16@gmail.com>

dolphinscheduler-registry/dolphinscheduler-registry-api/src/main/java/org/apache/dolphinscheduler/registry/api/RegistryClient.java

@@ -210,11 +210,11 @@ public class RegistryClient {
     }
 
     public boolean isMasterPath(String path) {
-        return path != null && path.startsWith(RegistryNodeType.MASTER.getRegistryPath());
+        return path != null && path.startsWith(RegistryNodeType.MASTER.getRegistryPath() + Constants.SINGLE_SLASH);
     }
 
     public boolean isWorkerPath(String path) {
-        return path != null && path.startsWith(RegistryNodeType.WORKER.getRegistryPath());
+        return path != null && path.startsWith(RegistryNodeType.WORKER.getRegistryPath() + Constants.SINGLE_SLASH);
     }
 
     public Collection<String> getChildrenKeys(final String key) {