fix: execute sql error: datasource plugin 'doris' is not found。 (#15123)

Co-authored-by: xiangzihao <460888207@qq.com>

dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-doris/src/main/java/org/apache/dolphinscheduler/plugin/doris/DorisDataSourceChannelFactory.java

@@ -18,7 +18,11 @@ package org.apache.dolphinscheduler.plugin.doris;
 
 import org.apache.dolphinscheduler.spi.datasource.DataSourceChannel;
 import org.apache.dolphinscheduler.spi.datasource.DataSourceChannelFactory;
+import org.apache.dolphinscheduler.spi.enums.DbType;
 
+import com.google.auto.service.AutoService;
+
+@AutoService(DataSourceChannelFactory.class)
 public class DorisDataSourceChannelFactory implements DataSourceChannelFactory {
 
     @Override
@@ -28,6 +32,6 @@ public class DorisDataSourceChannelFactory implements DataSourceChannelFactory {
 
     @Override
     public String getName() {
-        return "doris";
+        return DbType.DORIS.getDescp();
     }
 }