Fix(client): fixed wrong formats and mode

Author: sadwitdastreetz

hugegraph-client/src/main/java/org/apache/hugegraph/api/graphs/GraphsAPI.java

@@ -222,7 +222,7 @@ public void readMode(String graphSpace, String graph, GraphReadMode readMode) {
         // will be encoded to "%2F". So use "graph_read_mode" here, although
         // inaccurate.
         if (graphSpace == null) {
-            this.client.put(joinPath(this.path(), graph, MODE), null, readMode);
+            this.client.put(joinPath(this.path(), graph, GRAPH_READ_MODE), null, readMode);
             return;
         }
         this.client.put(joinPath(this.path(), graphSpace, graph, GRAPH_READ_MODE), null, readMode);

hugegraph-client/src/main/java/org/apache/hugegraph/client/RestClient.java

@@ -44,15 +44,14 @@ public class RestClient extends AbstractRestClient {
     @Getter
     @Setter
     private boolean supportGs;
+    private Version apiVersion = null;
 
     static {
         SimpleModule module = new SimpleModule();
         module.addDeserializer(Path.class, new PathDeserializer());
         RestResult.registerModule(module);
     }
 
-    private Version apiVersion = null;
-
     public RestClient(String url, String username, String password, int timeout) {
         super(url, username, password, timeout * SECOND);
     }

hugegraph-client/src/main/java/org/apache/hugegraph/driver/GraphsManager.java

@@ -146,5 +146,4 @@ public GraphReadMode readMode(String graph) {
     public String clone(String graph, Map<String, Object> body) {
         return this.graphsAPI.clone(graph, body);
     }
-
 }