Move the ExtractEquijoinPredicate behind the SubqueryFilterToJoin

**Is your feature request related to a problem or challenge? Please describe what you are trying to do.**

The following rules may depend on it:
1. DecorrelateWhereExists
2. DecorrelateWhereIn
3. ScalarSubqueryToJoin
4. SubqueryFilterToJoin --- will be removed in #4731.

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**Describe alternatives you've considered**

**Additional context**
