Don't unregister the cached resource to have consistent tree representation of files

Signed-off-by: Vladyslav Zhukovskyi <vzhukovs@redhat.com>

Author: vzhukovs

ide/che-core-ide-app/src/main/java/org/eclipse/che/ide/resources/impl/ResourceManager.java

@@ -952,7 +952,6 @@ private Promise<Optional<Resource>> findResource(final Path absolutePath, boolea
             itemReference -> {
               final Resource resource = newResourceFrom(itemReference);
 
-              store.dispose(absolutePath, false);
               store.register(resource);
 
               if (resource.isProject()) {