Eea.coremetadata

* Change: Develop refs [250426](https://taskman.eionet.europa.eu/issues/250426)
[alecghica]

* Change: Register indexes in portal_catalog and add indexer for temporal _coverage index
[razvanMiu]

* Change: Distinct title for taxonomies to differentiate in search criteria
[avoinea]

* Change: Added upgrade step that enables behavior indexer for topics taxonomy
[iulianpetchesi refs [157336](https://taskman.eionet.europa.eu/issues/157336)]

* Change: Develop [155903](https://taskman.eionet.europa.eu/issues/155903)
[alecghica]

* Change: Added the field rights back
[dobri1408]