Fix parsing elements from EDS data from velox emd file v11

[ericpre]

Fix #273. xref #226.

Progress of the PR

• [x] Fix parsing elements from EDS data from velox emd file v11,
• [n/a] update docstring (if appropriate),
• [n/a] update user guide (if appropriate),
• [x] add a changelog entry in the upcoming_changes folder (see upcoming_changes/README.rst),
• [x] Check formatting of the changelog entry (and eventual user guide changes) in the docs/readthedocs.org:rosettasciio build of this PR (link in github checks)
• [x] add tests,
• [x] ready for review.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 86.33%. Comparing base (bcb2057) to head (055283e). Report is 84 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #274 +/- ## ======================================= Coverage 86.33% 86.33% ======================================= Files 83 83 Lines 10668 10672 +4 Branches 2330 2331 +1 ======================================= + Hits 9210 9214 +4 Misses 939 939 Partials 519 519 ```

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[OliDG]

Thanks for the update!