[fix](load-profile) fix show load profile return emoty result (#19125)

Fix 2 bugs of show load profile:

For broker load, the second level should be the sub task' id.
show load profile stmt should be forwarded to master FE to execute.

fe/fe-core/src/main/java/org/apache/doris/analysis/ShowLoadProfileStmt.java

@@ -150,5 +150,10 @@ public class ShowLoadProfileStmt extends ShowStmt {
                 return null;
         }
     }
+
+    @Override
+    public RedirectStatus getRedirectStatus() {
+        return RedirectStatus.FORWARD_NO_SYNC;
+    }
 }
 

fe/fe-core/src/main/java/org/apache/doris/qe/ShowExecutor.java

@@ -2160,7 +2160,7 @@ public class ShowExecutor {
             }
             case FRAGMENTS: {
                 ProfileTreeNode treeRoot = ProfileManager.getInstance().getFragmentProfileTree(showStmt.getJobId(),
-                        showStmt.getJobId());
+                        showStmt.getTaskId());
                 if (treeRoot == null) {
                     throw new AnalysisException("Failed to get fragment tree for load: " + showStmt.getJobId());
                 }