Please standardize file access and basic capabilities

[quillaja]

Various file formats should be able to be opened using the same syntax. Also ST_Read_Meta fails in various ways on different formats.

System:

• using cli: DuckDB v1.4.3 (Andium) d1dc88f950; Windows 11 amd64/x64
• using api: DuckDB.NET v1.4.3 on .NET 10

(geo)parquet - ST_Read_Meta crashes

FROM 'some_data.parquet'; -- works
FROM ST_Read('some_data.parquet'); -- does NOT work, error
FROM read_parquet('some_data.parquet'); -- works

geopackage - ST_Read_Meta works

FROM 'some_data.gpkg'; -- works
FROM ST_Read('some_data.gpkg'); -- works

geodatabase - ST_Read_Meta does not crash but does return 0 rows

FROM 'some_data.gdb'; -- does NOT work, error
FROM ST_Read('some_data.gdb'); -- works

shapefile - ST_Read_Meta works

FROM 'some_data.shp'; -- works
FROM ST_Read('some_data.shp'); -- works