MDEV-21578 : CREATE OR REPLACE TRIGGER in Galera cluster not replicating

In 10.3 OR REPLACE trigger option is part of create_info.

sql/wsrep_mysqld.cc

@@ -2900,11 +2900,14 @@ static int wsrep_create_trigger_query(THD *thd, uchar** buf, size_t* buf_len)
     definer_host.length= 0;
   }
 
-  const LEX_CSTRING command[3]=
+  const LEX_CSTRING command[2]=
       {{ C_STRING_WITH_LEN("CREATE ") },
-       { C_STRING_WITH_LEN("ALTER ") },
        { C_STRING_WITH_LEN("CREATE OR REPLACE ") }};
-  stmt_query.append(command[thd->lex->create_view->mode]);
+
+  if (thd->lex->create_info.or_replace())
+    stmt_query.append(command[1]);
+  else
+    stmt_query.append(command[0]);
 
   append_definer(thd, &stmt_query, &definer_user, &definer_host);