Fix bugs related to extent-cropping -- contd.

[AdeelH]

Continuation of #1774

[codecov]

Codecov Report

Merging #1786 (3c87796) into master (c447895) will increase coverage by 0.09%.
The diff coverage is 81.65%.

❗ Current head 3c87796 differs from pull request most recent head a4d4ffb. Consider uploading reports for the commit a4d4ffb to get more accurate results

@@            Coverage Diff             @@
##           master    #1786      +/-   ##
==========================================
+ Coverage   79.39%   79.48%   +0.09%     
==========================================
  Files         186      186              
  Lines        8726     8794      +68     
==========================================
+ Hits         6928     6990      +62     
- Misses       1798     1804       +6     

Impacted Files	Coverage Δ
...e/data/crs_transformer/rasterio_crs_transformer.py	95.83% <ø> (ø)
...stervision/core/rv_pipeline/chip_classification.py	40.74% <0.00%> (ø)
.../rastervision/core/rv_pipeline/object_detection.py	19.78% <0.00%> (ø)
...ervision/core/rv_pipeline/semantic_segmentation.py	16.30% <0.00%> (ø)
...ytorch_learner/dataset/object_detection_dataset.py	46.90% <0.00%> (+0.41%)	⬆️
...er/rastervision/pytorch_learner/dataset/dataset.py	77.77% <50.00%> (-0.19%)	⬇️
...tervision/core/data/vector_source/vector_source.py	86.66% <72.00%> (-11.25%)	⬇️
...ision/core/data/crs_transformer/crs_transformer.py	100.00% <100.00%> (ø)
...tervision/core/data/raster_source/raster_source.py	79.03% <100.00%> (ø)
...rvision/core/data/raster_source/rasterio_source.py	80.28% <100.00%> (ø)
... and 3 more

... and 1 file with indirect coverage changes