branch-4.0: [fix](insert) fix insert job duplicate registration #57572 (#57663)

Cherry-picked from #57572

Co-authored-by: hui lai <laihui@selectdb.com>

Author: github-actions[bot]

fe/fe-core/src/main/java/org/apache/doris/load/loadv2/LoadManager.java

@@ -229,8 +229,8 @@ public void recordFinishedLoadJob(String label, long transactionId, String dbNam
                 default:
                     return;
             }
+            addLoadJob(loadJob);
         }
-        addLoadJob(loadJob);
         // persistent
         Env.getCurrentEnv().getEditLog().logCreateLoadJob(loadJob);
     }

regression-test/suites/ddl_p0/test_ctas.groovy

@@ -104,13 +104,6 @@ suite("test_ctas") {
             result([[null]])
         }
 
-        res = sql """show load from ${dbname}"""
-        if (isGroupCommitMode()) {
-            assertTrue(res.size() > 4)
-        } else {
-            assertTrue(res.size() > 6)
-        }
-
         sql """
             create table if not exists test_tbl_81748325
             (

regression-test/suites/load_p0/insert/test_insert_statistic.groovy

@@ -42,6 +42,9 @@ suite("test_insert_statistic", "p0") {
     sql """ 
     INSERT INTO ${insert_tbl}_1 values(1, 1, 1, 1)
     """
+    sql """ 
+    INSERT INTO ${insert_tbl}_1 values(1, 1, 1, 1)
+    """
     def result = sql "SHOW LOAD FROM ${dbName}"
     log.info("result size: " + result.size())
     assertEquals(result.size(), 0)
@@ -78,7 +81,9 @@ suite("test_insert_statistic", "p0") {
     result = sql "SHOW LOAD FROM ${dbName}"
     logger.info("JobDetails: " + result[0][14])
     def json = parseJson(result[0][14])
-    assertEquals(json.ScannedRows, 2)
+    assertEquals(json.ScannedRows, 3)
+    assertEquals(json.FileNumber, 0)
+    assertEquals(json.FileSize, 0)
     assertTrue(json.LoadBytes > 0)
 
     // insert into s3 tvf
@@ -116,5 +121,8 @@ suite("test_insert_statistic", "p0") {
     logger.info("JobDetails: " + result[1][14])
     json = parseJson(result[1][14])
     assertEquals(json.ScannedRows, 2)
+    assertEquals(json.FileNumber, 1)
+    assertEquals(json.FileSize, 86)
+    assertEquals(result.size(), 2)
     assertTrue(json.LoadBytes > 0)
 }