Auto-select facets when they have a single value
When a facet has only one possible value, it should be selected, and impossible to de-select, with a message explaining why.
Because selecting or deselecting a facet with a single possible value does not change anything to the result items.
Example
https://db.nomics.world/ECB/ICP?dimensions=%7B%22ICP_SUFFIX%22%3A%5B%22ANR%22%5D%7D
ADJUSTMENT
has only one possible value: N