* add metadata tab and popup to target UI Signed-off-by: Stefan Klotz <stefan.klotz@bosch-si.com> * send event to update UI Signed-off-by: Stefan Klotz <stefan.klotz@bosch-si.com> * send event on target meta data delete and update Signed-off-by: Stefan Klotz <stefan.klotz@bosch-si.com> * display selected element name in details layout and metadata popup of UI Signed-off-by: Stefan Klotz <stefan.klotz@bosch-si.com> * add comments to explain manual event publishing Signed-off-by: Stefan Klotz <stefan.klotz@bosch-si.com> * remove option to hide metadata button in details layout Signed-off-by: Stefan Klotz <stefan.klotz@bosch-si.com> * fix typos and refactor Signed-off-by: Stefan Klotz <stefan.klotz@bosch-si.com> * fix typos Signed-off-by: Stefan Klotz <stefan.klotz@bosch-si.com> * fix wrong method call Signed-off-by: Stefan Klotz <stefan.klotz@bosch-si.com>