Wide date range but no data

[anesson-cs]

Requesting datasets with datetimes spanning over the 20th and 21th century gives 0 data. While it should be equivalent with searching with no datetime filter.

Tested on:

• CLMS_CORINE: http://localhost:8000/collections/CLMS_CORINE/items?datetime=1890-09-09T00:00:00Z/2024-09-30T23:59:59Z&limit=5
• MO_OCEANCOLOUR_GLO_BGC_L3_NRT_009_101:
  http://localhost:8000/collections/MO_OCEANCOLOUR_GLO_BGC_L3_NRT_009_101/items?datetime=1890-09-09T00:00:00Z/2024-09-30T23:59:59Z&limit=5
• MO_OCEANCOLOUR_GLO_BGC_L4_NRT_009_102: http://localhost:8000/collections/MO_OCEANCOLOUR_GLO_BGC_L4_NRT_009_102/items?datetime=1890-09-09T00:00:00Z/2024-09-30T23:59:59Z&limit=5