move hover coords to pixel space

[alessandrofelder]

Description

What is this PR

• Bug fix
• Addition of a new feature
• Other

What does this PR do?
Tooltip hovering should be in pixel space since 0.0.5 but it was left in micron space.
This PR moves the hovering tooltip to pixel space.

References

Closes #167

Checklist:

• The code has been tested locally
• Tests have been added to cover all new functionality (unit & integration)
• The documentation has been updated to reflect any changes
• The code has been formatted with pre-commit

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 82.75%. Comparing base (9a24190) to head (1cd45eb).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #168   +/-   ##
=======================================
  Coverage   82.75%   82.75%           
=======================================
  Files          12       12           
  Lines         551      551           
=======================================
  Hits          456      456           
  Misses         95       95           

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