[FEAT] Add ability to specify snapshot_id for iceberg read

[jaychia]

Closes #2400

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 63.13%. Comparing base (3aeba6f) to head (75acee6).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2426      +/-   ##
==========================================
+ Coverage   63.12%   63.13%   +0.01%     
==========================================
  Files         938      939       +1     
  Lines      105269   105328      +59     
==========================================
+ Hits        66449    66504      +55     
- Misses      38820    38824       +4     

Files	Coverage Δ
daft/iceberg/iceberg_scan.py	63.86% <100.00%> (+0.30%)	⬆️
daft/io/_iceberg.py	85.71% <100.00%> (ø)

... and 12 files with indirect coverage changes