Bug 572871 - Quick Search ignores virtual folders

Makes sure virtual folders are not ignored. As a result Quick Search
will visit linked folders contained in virtual folders. So we can get
search results from the linked location. This is desired when we have no
'overlapping projects'.

Change-Id: Iffbcfe9b73f7726818935a4fe12451fb59da5388
Signed-off-by: Jan Poganski <jan.poganski+eclipse@outlook.com>
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.text/+/179717
Tested-by: Platform Bot <platform-bot@eclipse.org>
Reviewed-by: Mickael Istria <mistria@redhat.com>
4 files changed