[hotfix] Make lake catalog as projected (apache#1823)

Author: luoyuxia

fluss-flink/fluss-flink-common/src/main/java/org/apache/fluss/flink/catalog/FlinkCatalog.java

@@ -114,7 +114,7 @@ public class FlinkCatalog extends AbstractCatalog {
     protected final String defaultDatabase;
     protected final String bootstrapServers;
     protected final Map<String, String> securityConfigs;
-    private final LakeFlinkCatalog lakeFlinkCatalog;
+    protected final LakeFlinkCatalog lakeFlinkCatalog;
     protected Connection connection;
     protected Admin admin;
 

fluss-flink/fluss-flink-common/src/main/java/org/apache/fluss/flink/catalog/FlinkTableFactory.java

@@ -69,7 +69,7 @@
 /** Factory to create table source and table sink for Fluss. */
 public class FlinkTableFactory implements DynamicTableSourceFactory, DynamicTableSinkFactory {
 
-    private final LakeFlinkCatalog lakeFlinkCatalog;
+    protected final LakeFlinkCatalog lakeFlinkCatalog;
     private volatile LakeTableFactory lakeTableFactory;
 
     public FlinkTableFactory(LakeFlinkCatalog lakeFlinkCatalog) {