* chore: migrate to vitest
* test: speed up some suites by sharing sessions and mocking expensive non-tested actions
* test: refactor some tests to verify behavior instead of implementation details
* chore: fix linting issues
* fix(file-tree): propagate path simplification to parents
When all childs of a folder are selected in the tree, the selected path
was only simplifiyng one level. But if the reduction was also making its
own parent "fully selected" it was not correctly reporting only the
parent as selected
* test(file-tree): ensure path selection correctness
* fix(file-tree): cleanup based on given path not what's visible
