What type of PR is this?

/kind feature

What does this PR do / why do we need it:

Extends existing rule PushPartialAggregationThroughJoin to consider cases when there is a project Node with some expression calculations is present between Aggregation and Join Node.

Which issue(s) this PR fixes:

Fixes:
#I6NXUW:Enhancement of PushPartialAggregationThroughJoin rule

Special notes for your reviewers: