Add Prestissimo E2E test for Iceberg partition-level DELETE on Copy-on-Write tables

[Shreya-ibm]

Expected Behavior

Prestissimo should support partition-level DELETE on Iceberg Copy-on-Write (COW) tables in the same way as Presto Java.

Presto Component and Connector

• presto-native-tests
• Iceberg connector

Context

Presto Java already has end-to-end test coverage for partition-level DELETE on Iceberg Copy-on-Write tables. Since the DELETE logic is executed in the coordinator, the same behavior should be validated under Prestissimo by adding an equivalent E2E native test.

cc: @nmahadevuni