Statistics::total_byte_size does not account for projection in FileScanConfig::with_projection

[alamb]

Describe the bug

As @blaginin found in #14685, the statistics when a File is projected (aka only a subset of the columns are present) is incorrect

Specifically, the projected statistics have the same total_byte_size as the input. However, given only a subset of columns are selected this will mean that the total_byte_size should actually be lower

To Reproduce

See tests referenced in #14685

Expected behavior

total_byte_size should take into account the subset of columns

Additional context

No response

[blaginin]

Should be easier to fix after #15352