fix: unselect layer not work properly

[airslice]

Overview

When click on blank space of map it should unselect layers but it doesn't work due to a bug.

The bug comes from updateing selectLayer functions of organisms CanvasArea and molecusles Visualizer. In the past the CanvasArea select funtion will check if the layer can be got by layers.findById and after update this condition should be moved into Visualizer selectLayer function. When reviewing, the code looks like can be refactored and i did it without thinking clearly. My mistake.

What I've done

Update the selectLayer function.

What I haven't done

How I tested

Select layer and click on blank space to unselect it.

Screenshot

Which point I want you to review particularly

Memo

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[codecov]

Codecov Report

Merging #266 (c915512) into main (6468e2f) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #266   +/-   ##
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  Coverage   52.19%   52.19%           
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  Files          56       56           
  Lines        1205     1205           
  Branches      193      193           
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  Hits          629      629           
  Misses        503      503           
  Partials       73       73           

[KaWaite]

OK!