[r] Add four add_new_* setters to SOMACollectionBase

[eddelbuettel]

Issue and/or context:

The PR adds new setters for collection, dataframe, and dense and sparse arrays to collections

Changes:

Four new setters plus tests

Notes for Reviewer:

SC 26349
#938
#839

[shortcut-integration]

This pull request has been linked to Shortcut Story #26349: Extend SOMACollection with add_new_* functions.

[codecov-commenter]

Codecov Report

Patch coverage has no change and project coverage change: -18.81 ⚠️

Comparison is base (5fca0d0) 61.17% compared to head (eba8401) 42.36%.

❗ Current head eba8401 differs from pull request most recent head 917d392. Consider uploading reports for the commit 917d392 to get more accurate results

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Additional details and impacted files

@@             Coverage Diff             @@
##             main    #1091       +/-   ##
===========================================
- Coverage   61.17%   42.36%   -18.81%     
===========================================
  Files          81       51       -30     
  Lines        5906     3635     -2271     
===========================================
- Hits         3613     1540     -2073     
+ Misses       2293     2095      -198     

Flag	Coverage Δ
python	?
r	42.36% <ø> (+0.15%)	⬆️

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see 31 files with indirect coverage changes

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[aaronwolen]

Thanks!