Changing a folder de-selects media

When chancing the folder the current selection gets removed. The toolbar is not updated and still shows the selection count from before.
Shall we support selection over multiple folders?

We should probably have two different behaviors, for two different "states". One when browsing the library (with the option to move or delete - or edit, where only one can be edited ..), maybe selection should not be possilbe over different folders and the other one when inserting media into a field or in CKEditor, where it should be possilbe to select over differen folders.