Adjust impersonate settings

[Pacu2]

I want to merge this change because...
Close #1542
(Please mention all relevant issue numbers.)

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Pull Request Checklist

(Please keep this section. It will make maintainer's life easier.)

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 #1543 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1543   +/-   ##
=======================================
  Coverage   82.67%   82.67%           
=======================================
  Files         131      131           
  Lines        5704     5704           
  Branches      642      642           
=======================================
  Hits         4716     4716           
  Misses        823      823           
  Partials      165      165

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