Somewhat improve iteration over OffsetArray2DRef

[LebedevRI]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.43%. Comparing base (62f1391) to head (8de8877).
⚠️ Report is 3 commits behind head on master.

Additional details and impacted files

Files with missing lines	Coverage Δ
src/std/ndslice/array2dref/mod.rs	100.00% <100.00%> (+2.12%)	⬆️
src/std/ndslice/offsetarray2dref/iteration.rs	100.00% <100.00%> (ø)

... and 1 file with indirect coverage changes

@@            Coverage Diff             @@
##           master     #127      +/-   ##
==========================================
+ Coverage   91.29%   91.43%   +0.13%     
==========================================
  Files          83       83              
  Lines        3930     3944      +14     
  Branches     3930     3944      +14     
==========================================
+ Hits         3588     3606      +18     
+ Misses        291      288       -3     
+ Partials       51       50       -1     

Components	Coverage Δ
source code	91.43% <100.00%> (+0.13%)	⬆️
tests	∅ <ø> (∅)
benches	∅ <ø> (∅)

Flag	Coverage Δ
LLVM=19	91.43% <100.00%> (+0.13%)	⬆️
endianness=little	91.43% <100.00%> (+0.13%)	⬆️
host=aarch64	91.43% <100.00%> (+0.13%)	⬆️
host=x86_64	91.43% <100.00%> (+0.13%)	⬆️
linux	91.43% <100.00%> (+0.13%)	⬆️
macos	91.43% <100.00%> (+0.13%)	⬆️
profile=dev	91.43% <100.00%> (+0.13%)	⬆️
profile=release	91.43% <100.00%> (+0.13%)	⬆️
rust=aarch64-pc-windows-msvc	91.43% <100.00%> (+0.13%)	⬆️
rust=aarch64-unknown-linux-gnu	91.43% <100.00%> (+0.13%)	⬆️
rust=nightly	91.43% <100.00%> (+0.13%)	⬆️
rust=stable	91.43% <100.00%> (+0.13%)	⬆️
rust=x86_64-pc-windows-msvc	91.43% <100.00%> (+0.13%)	⬆️
rust=x86_64-unknown-linux-gnu	91.43% <100.00%> (+0.13%)	⬆️
target=aarch64	91.43% <100.00%> (+0.13%)	⬆️
target=x86_64	91.43% <100.00%> (+0.13%)	⬆️

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