Fixed reading parquet of dict-encoded, plain data pages (fallback)

[jorgecarleitao]

Closes #366

Thanks @vincev for the report!

[codecov]

Codecov Report

Merging #367 (ccfe2d5) into main (cef5f08) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #367   +/-   ##
=======================================
  Coverage   81.05%   81.05%           
=======================================
  Files         326      326           
  Lines       21103    21103           
=======================================
  Hits        17105    17105           
  Misses       3998     3998           

Impacted Files	Coverage Δ
src/io/parquet/read/binary/basic.rs	81.95% <ø> (ø)
src/io/parquet/read/fixed_size_binary.rs	50.00% <ø> (ø)
src/io/parquet/read/primitive/basic.rs	82.35% <100.00%> (ø)

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