Issue #914 neither desiredtz nor rmc.desiredtz processed correctly for ad hoc csv files

[l-k-]

This fixes 914

Making sure both desiredtz/configtz and rmc.desiredtz/rmc.configtz are passed to read.myacc.csv() correctly.

Checklist before merging:

• Existing tests still work (check by running the test suite, e.g. from RStudio).
• Added tests (if you added functionality) or fixed existing test (if you fixed a bug).
• Updated or expanded the documentation.
• Updated release notes in inst/NEWS.Rd with a user-readable summary. Please, include references to relevant issues or PR discussions.
• Added your name to the contributors lists in the DESCRIPTION and CITATION.cff files.

[vincentvanhees]

Thanks. I have now added one line to the NEWS.md to describe this update.

[codecov-commenter]

Codecov Report

Merging #915 (5bd955a) into master (45a1569) will decrease coverage by 0.03%.
The diff coverage is 12.50%.

❗ Current head 5bd955a differs from pull request most recent head 71a266a. Consider uploading reports for the commit 71a266a to get more accurate results

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@@            Coverage Diff             @@
##           master     #915      +/-   ##
==========================================
- Coverage   78.41%   78.39%   -0.03%     
==========================================
  Files          92       92              
  Lines       12338    12342       +4     
==========================================
  Hits         9675     9675              
- Misses       2663     2667       +4     

Files	Coverage Δ
R/read.myacc.csv.R	75.00% <50.00%> (-0.36%)	⬇️
R/g.readaccfile.R	42.23% <0.00%> (ø)
R/g.inspectfile.R	56.96% <0.00%> (-0.74%)	⬇️