[Fix](test) add sync to bloom filter test case (#43840)

### What problem does this PR solve?

Problem Summary:
try to fix bloomfilter case fail by adding sync command

regression-test/suites/bloom_filter_p0/test_bloom_filter_drop_column.groovy

@@ -74,22 +74,26 @@ suite("test_bloom_filter_drop_column") {
     }
 
     sql """INSERT INTO ${table_name} values ('1', '1')"""
+    sql "sync"
 
     qt_select """select * from ${table_name} order by a"""
 
     // drop column c1
     sql """ALTER TABLE ${table_name} DROP COLUMN c1"""
     wait_for_latest_op_on_table_finish(table_name, timeout)
+    sql "sync"
 
     // show create table with retry logic
     assertShowCreateTableWithRetry(table_name, "\"bloom_filter_columns\" = \"\"", 3, 30)
 
     // add new column c1
     sql """ALTER TABLE ${table_name} ADD COLUMN c1 ARRAY<STRING>"""
     wait_for_latest_op_on_table_finish(table_name, timeout)
+    sql "sync"
 
     // insert data
     sql """INSERT INTO ${table_name} values ('2', null)"""
+    sql "sync"
     // select data
     qt_select """select * from ${table_name} order by a"""
 }

regression-test/suites/bloom_filter_p0/test_bloom_filter_hit_with_renamed_column.groovy

@@ -112,6 +112,7 @@ suite("test_bloom_filter_hit_with_renamed_column") {
 
     sql """ SET enable_profile = true """
     sql """ set parallel_scan_min_rows_per_scanner = 2097152; """
+    sql "sync"
     //sql """ select C_COMMENT_NEW from ${tableName} where C_COMMENT_NEW='OK' """
 
     // get and check profile with retry logic
@@ -122,6 +123,7 @@ suite("test_bloom_filter_hit_with_renamed_column") {
         int attempt = 0
 
         while (attempt < maxRetries) {
+            sql "sync"
             sql """ ${query} """
             profiles = httpGet(profileUrl)
             log.info("profiles attempt ${attempt + 1}: {}", profiles)