added method for sub view inner halo iterators

Codecov Report

Merging #719 (c975b39) into development (8cd2137) will decrease coverage by 0.01%. The diff coverage is 91.42%.

:exclamation: Current head c975b39 differs from pull request most recent head dd9d45c. Consider uploading reports for the commit dd9d45c to get more accurate results

@@               Coverage Diff               @@
##           development     #719      +/-   ##
===============================================
- Coverage        85.41%   85.40%   -0.02%     
===============================================
  Files              340      340              
  Lines            25479    25480       +1     
  Branches         12059    12061       +2     
===============================================
- Hits             21764    21762       -2     
- Misses            3714     3717       +3     
  Partials             1        1              

Impacted Files	Coverage Δ
dash/include/dash/pattern/TilePattern1D.h	89.63% <90.00%> (-0.88%)	:arrow_down:
dash/include/dash/halo/StencilOperator.h	100.00% <100.00%> (ø)
dash/include/dash/halo/iterator/StencilIterator.h	98.19% <100.00%> (-0.02%)	:arrow_down:
dash/test/halo/HaloTest.cc	100.00% <100.00%> (ø)
...h/include/dash/iterator/internal/ContiguousRange.h	97.75% <0.00%> (-1.13%)	:arrow_down: