Check region in TH admin

[matamadio]

Layers metadata looks correct under "region", but TH admin page display them as "no associated regions". As result, these regional layers (all return periods) are not accounted / shown as source over global dataset.

CF-COM-SWIO - https://www.geonode-gfdrrlab.org/layers/hazard%3Aswio_com_50_cf
CF-ID-IVM - https://www.geonode-gfdrrlab.org/layers/hazard%3As100
CF-MDG-SWIO - https://www.geonode-gfdrrlab.org/layers/hazard%3Aswio_mdg_50_cf
CF-MUS-SWIO - https://www.geonode-gfdrrlab.org/layers/hazard%3Aswio_mus_50_cf
CF-SYC-SWIO - https://www.geonode-gfdrrlab.org/layers/hazard%3Aswio_syc_50_cf
CF-TZA-SWIO - https://www.geonode-gfdrrlab.org/layers/hazard%3Aswio_zan_50_cf
CF-VN-SSBN - https://www.geonode-gfdrrlab.org/layers/hazard%3Avn_1in50