(feat) replaces write disposition with drop_data full refresh

[rudolfix]

Description

(ticket incoming)
fixes and tests drop_data refresh mode to replace outdated write_disposition replace method.
tests the outdated method and overall truncation behavior for replace write disposition (for resource/tables without data)

also fixes #3998

[blacksmith-sh]

Found 6 test failures on Blacksmith runners:

Failures

Test	View Logs
test_changing_write_disposition_with_refresh[drop_data-filesystem-parquet-delta-no-stag ing-data]	View Logs
test_changing_write_disposition_with_refresh[drop_data-filesystem-parquet-iceberg-no-st aging-data]	View Logs
test_changing_write_disposition_with_refresh[drop_resource-filesystem-parquet-delta-no- staging-data]	View Logs
test_changing_write_disposition_with_refresh[drop_resource-filesystem-parquet-iceberg-n o-staging-data]	View Logs
test_changing_write_disposition_with_refresh[drop_source-filesystem-parquet-delta-no-st aging-data]	View Logs
test_changing_write_disposition_with_refresh[drop_source-filesystem-parquet-iceberg-no- staging-data]	View Logs

[cloudflare-workers-and-pages]

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Status	Name	Latest Commit	Preview URL	Updated (UTC)
✅ Deployment successful! View logs	docs	2e92c56	Commit Preview URL Branch Preview URL	Jun 02 2026, 07:19 PM