Provide Complete Create Table Query in ddl job when jobType is ActionCreateTables

[hongyunyan]

Enhancement

Currently, the query field in the ddl job ofActionCreateTables type only contains one of the create table statements.
It seems strange and unappropriate. At the same time, the processing of ddl by TiCDC also needs to rely heavily on the query information, so all create table statements should be completed in the query.

Here is an example of current ddl job of ActionCreateTables

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