[+BUGFIX] FLOW3 (Resource): Normalize paths in publishStaticResources()
On Windows, all public resources are deleted if mirrorMode is set to
This happens due to the check readlink($targetPath)) === $sourcePath)
always returning FALSE on Windows beacuse readlink() returns paths with
This is fixed by calling \F3\FLOW3\Utility\Files::getUnixStylePath() on
the paths first.