Fix 3209 Unselecting a folder in Presentation Mode leads to console error #3215
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Fix console errors when unselecting or unhovering after selection in presentation mode; Propose a highlighting behavior change
Please read the CONTRIBUTING.md before opening a PR.
closes: #3209
Description
Fix the highlighting update leading to calculating the distance of no building when un-selecting or un-hovering after selection in presentation mode.
Furthermore I decided to change the highlighting behavior a bit, previously selecting a selected folder would lead to unhighlighting all buildings in it, same as selecting a parent folder after having selected a child one. This seemed like unintuitive behaviour, therefore I propose the following change. Tell me what you think :)
Screenshots or gifs
Old behaviour:
web-demo-highlighting.mov
Proposed change:
proposed-change.mov