Fixed bug where get_blob_to_* cannot get the first byte only

[zezha-msft]

No description provided.

[codecov-io]

Codecov Report

Merging #419 into dev will increase coverage by 0.04%.
The diff coverage is 77.77%.

@@            Coverage Diff             @@
##              dev     #419      +/-   ##
==========================================
+ Coverage   85.86%   85.91%   +0.04%     
==========================================
  Files          56       56              
  Lines        4387     4387              
  Branches      472      472              
==========================================
+ Hits         3767     3769       +2     
+ Misses        466      465       -1     
+ Partials      154      153       -1

Impacted Files	Coverage Δ
...storage-blob/azure/storage/blob/baseblobservice.py	94.56% <100%> (ø)	⬆️
...ure-storage-file/azure/storage/file/fileservice.py	91.8% <60%> (+0.37%)	⬆️

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