Fix tree view update with FilteredList

[flo-dup]

Please check if the PR fulfills these requirements

• [x] The commit message follows our guidelines

Does this PR already have an issue describing the problem? No

What kind of change does this PR introduce? Bug fix

What is the current behavior?

• When changing the text filter, rebuilding the tree view leads to many useless call to draw methods, leading most of the time to a frozen viewer
• The substations or voltage levels can be hidden

What is the new behavior (if this is a feature change)?

• When changing the text filter the tree view is automatically rebuild thanks to FilteredList. The selected item is cleared, due to a bug in javafx FilteredList code.
• The substations cannot be hidden anymore, but the tree view can be collapsed / fully expanded as a replacement.

Does this PR introduce a breaking change or deprecate an API?

• [ ] Yes
• [x] No

[sonarcloud[bot]]

Quality Gate passed

Issues
1 New issue
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud