Change FAB placement

[dominik-zeglen]

I want to merge this change because...

Resolves #1383

Pull Request Checklist

1. Privileged views and APIs are guarded by proper permission checks.
2. All visible strings are translated with proper context.
3. All data-formatting is locale-aware (dates, numbers, and so on).
4. Database queries are optimized and the number of queries is constant.
5. The changes are tested.
6. The code is documented (docstrings, project documentation).
7. Python code quality checks pass: pycodestyle, pydocstyle, pylint.
8. JavaScript code quality checks pass: eslint.

[codecov-io]

Codecov Report

Merging #1394 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master   #1394   +/-   ##
======================================
  Coverage    83.4%   83.4%           
======================================
  Files         128     128           
  Lines        5791    5791           
  Branches      664     664           
======================================
  Hits         4830    4830           
  Misses        803     803           
  Partials      158     158

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[maarcingebala]

On the product list page:

While on the Sales list:

@dominik-zeglen Please make sure that all list views are consistent.