Fixing ProjectTree looking for open ProjectExplorer with incorrect locator
Fixing ProjectTree looking for open ProjectExplorer with incorrect locator

Signed-off-by: Tibor Dancs <1997a42759b97f8fa6572c860f5a75ab13f2c241@redhat.com>

codenvy/che,codenvy/che,codenvy/che,codenvy/che