[fix](case) Increase the robustness of some docker case (#57991)

1. fix `test_auto_start_in_cloud` ， Occasionally fails due to issues
with the audit log plugin.
2. fix `test_clean_tablet_when_rebalance`, Occasionally, queries fail on
the ci pipeline, displaying the error "failed to send brpc when
exchanging".

Author: deardeng

regression-test/suites/cloud_p0/multi_cluster/test_auto_start.groovy

@@ -77,6 +77,7 @@ suite('test_auto_start_in_cloud', 'multi_cluster, docker') {
     }
 
     docker(options) {
+        sql "set global enable_audit_plugin = false"
         sql """
             CREATE TABLE table1 (
             class INT,

regression-test/suites/cloud_p0/tablets/test_clean_tablet_when_rebalance.groovy

@@ -46,7 +46,8 @@ suite('test_clean_tablet_when_rebalance', 'docker') {
 
     def selectTriggerRehash = { ->
         for (int i = 0; i < 5; i++) {
-            sql """
+            sleep(1000) 
+            try_sql """
                 select count(*) from $table
             """
         }