fix: Iceberg fixes for reading table metadata #6660

Job	Run time
Build	2m 4s
Format (rustfmt +nightly)	12s
Cache Maintenance	0s
Lint (clippy)	4m 21s
Node.js Binding Tests	4m 33s
PG Protocol Tests	28s
Process Integration Tests (pytest)	1m 31s
Python Binding Tests	6m 28s
SQL Logic Tests (postgres)	13s
SQL Logic Tests (flightsql)	13s
Unit Tests	6m 52s
SQL Logic Tests (rpc)	18s
Big Query Integration Tests (SLT::MinIO)	1m 20s
MinIO Integration Tests (SLT::MinIO)	2m 49s
Datasource Integration (Clickhouse)	2m 32s
Build and Push Docker Image	0s
Datasource Integration (SQLite)	2m 27s
Datasource Integration (Cassandra)	1m 47s
Object Store Service Integration Tests (SLT)	58s
Datasource Integration (MySQL)	2m 57s
Datasource Integration (MongoDB)	28s
Datasource Integration (SQLServer)	9m 5s
Datasource Integration (PostgreSQL)	2m 28s
Snowflake Integration Tests (SLT::Snowflake)	2m 31s
	56m 35s

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